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Input Validation vulnerability in Apache Tomcat.Tomcat from 11.0.0-M1 through 11.0.0-M10, from 10.1.0-M1 through 10.1.15, from 9.0.0-M1 through 9.0.82 and from 8.5.0 through 8.5.95 did not correctly parse HTTP trailer headers. A trailer header that exceeded the header size limit could cause Tomcat to treat a single \nrequest as multiple requests leading to the possibility of request \nsmuggling when behind a reverse proxy.\n\n\nOlder, EOL versions may also be affected.\n\n\nUsers are recommended to upgrade to version 11.0.0-M11 onwards, 10.1.16 onwards, 9.0.83 onwards or 8.5.96 onwards, which fix the issue.","references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-46589.json","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-46589.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2023-46589","reference_id":"","reference_type":"","scores":[{"value":"0.51432","scoring_system":"epss","scoring_elements":"0.97888","published_at":"2026-04-13T12:55:00Z"},{"value":"0.51432","scoring_system":"epss","scoring_elements":"0.97886","published_at":"2026-04-12T12:55:00Z"},{"value":"0.51432","scoring_system":"epss","scoring_elements":"0.97885","published_at":"2026-04-11T12:55:00Z"},{"value":"0.51432","scoring_system":"epss","scoring_elements":"0.97882","published_at":"2026-04-09T12:55:00Z"},{"value":"0.51432","scoring_system":"epss","scoring_elements":"0.9788","published_at":"2026-04-08T12:55:00Z"},{"value":"0.51432","scoring_system":"epss","scoring_elements":"0.97875","published_at":"2026-04-07T12:55:00Z"},{"value":"0.51432","scoring_system":"epss","scoring_elements":"0.97872","published_at":"2026-04-04T12:55:00Z"},{"value":"0.51432","scoring_system":"epss","scoring_elements":"0.97871","published_at":"2026-04-02T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2023-46589"},{"reference_url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml","reference_id":"","reference_type":"","scores":[{"value":"5.9","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N"}],"url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml"},{"reference_url":"https://github.com/apache/tomcat","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/apache/tomcat"},{"reference_url":"https://github.com/apache/tomcat/commit/6f181e1062a472bc5f0234980f66cbde42c1041b","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/apache/tomcat/commit/6f181e1062a472bc5f0234980f66cbde42c1041b"},{"reference_url":"https://github.com/apache/tomcat/commit/7a2d8818fcea0b51747a67af9510ce7977245ebd","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/apache/tomcat/commit/7a2d8818fcea0b51747a67af9510ce7977245ebd"},{"reference_url":"https://github.com/apache/tomcat/commit/aa92971e879a519384c517febc39fd04c48d4642","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/apache/tomcat/commit/aa92971e879a519384c517febc39fd04c48d4642"},{"reference_url":"https://github.com/apache/tomcat/commit/b5776d769bffeade865061bc8ecbeb2b56167b08","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/apache/tomcat/commit/b5776d769bffeade865061bc8ecbeb2b56167b08"},{"reference_url":"https://lists.apache.org/thread/0rqq6ktozqc42ro8hhxdmmdjm1k1tpxr","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-07-11T16:04:24Z/"}],"url":"https://lists.apache.org/thread/0rqq6ktozqc42ro8hhxdmmdjm1k1tpxr"},{"reference_url":"https://lists.debian.org/debian-lts-announce/2024/01/msg00001.html","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.debian.org/debian-lts-announce/2024/01/msg00001.html"},{"reference_url":"https://security.netapp.com/advisory/ntap-20231214-0009","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://security.netapp.com/advisory/ntap-20231214-0009"},{"reference_url":"https://tomcat.apache.org/security-10.html","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://tomcat.apache.org/security-10.html"},{"reference_url":"https://tomcat.apache.org/security-11.html","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://tomcat.apache.org/security-11.html"},{"reference_url":"https://tomcat.apache.org/security-8.html","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://tomcat.apache.org/security-8.html"},{"reference_url":"https://tomcat.apache.org/security-9.html","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://tomcat.apache.org/security-9.html"},{"reference_url":"https://www.openwall.com/lists/oss-security/2023/11/28/2","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-07-11T16:04:24Z/"}],"url":"https://www.openwall.com/lists/oss-security/2023/11/28/2"},{"reference_url":"http://www.openwall.com/lists/oss-security/2023/11/28/2","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"http://www.openwall.com/lists/oss-security/2023/11/28/2"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1057082","reference_id":"1057082","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1057082"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=2252050","reference_id":"2252050","reference_type":"","scores":[],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2252050"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-46589","reference_id":"CVE-2023-46589","reference_type":"","scores":[{"value":"Important","scoring_system":"apache_tomcat","scoring_elements":""}],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-46589"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2023-46589","reference_id":"CVE-2023-46589","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-46589"},{"reference_url":"https://github.com/advisories/GHSA-fccv-jmmp-qg76","reference_id":"GHSA-fccv-jmmp-qg76","reference_type":"","scores":[{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-fccv-jmmp-qg76"},{"reference_url":"https://access.redhat.com/errata/RHSA-2024:0532","reference_id":"RHSA-2024:0532","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2024:0532"},{"reference_url":"https://access.redhat.com/errata/RHSA-2024:0539","reference_id":"RHSA-2024:0539","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2024:0539"},{"reference_url":"https://access.redhat.com/errata/RHSA-2024:1092","reference_id":"RHSA-2024:1092","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2024:1092"},{"reference_url":"https://access.redhat.com/errata/RHSA-2024:1134","reference_id":"RHSA-2024:1134","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2024:1134"},{"reference_url":"https://access.redhat.com/errata/RHSA-2024:1318","reference_id":"RHSA-2024:1318","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2024:1318"},{"reference_url":"https://access.redhat.com/errata/RHSA-2024:1319","reference_id":"RHSA-2024:1319","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2024:1319"},{"reference_url":"https://access.redhat.com/errata/RHSA-2024:1324","reference_id":"RHSA-2024:1324","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2024:1324"},{"reference_url":"https://access.redhat.com/errata/RHSA-2024: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Redirection to Untrusted Site ('Open Redirect') vulnerability in FORM authentication feature Apache Tomcat.This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.0-M10, from 10.1.0-M1 through 10.0.12, from 9.0.0-M1 through 9.0.79 and from 8.5.0 through 8.5.92.\nOlder, EOL versions may also be affected.\n\n\nThe vulnerability is limited to the ROOT (default) web 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header.","references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-42252.json","reference_id":"","reference_type":"","scores":[{"value":"4.8","scoring_system":"cvssv3","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-42252.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2022-42252","reference_id":"","reference_type":"","scores":[{"value":"0.00145","scoring_system":"epss","scoring_elements":"0.34917","published_at":"2026-04-02T12:55:00Z"},{"value":"0.00145","scoring_system":"epss","scoring_elements":"0.34868","published_at":"2026-04-08T12:55:00Z"},{"value":"0.00145","scoring_system":"epss","scoring_elements":"0.34823","published_at":"2026-04-07T12:55:00Z"},{"value":"0.00145","scoring_system":"epss","scoring_elements":"0.34943","published_at":"2026-04-04T12:55:00Z"},{"value":"0.00145","scoring_system":"epss","scoring_elements":"0.34895","published_at":"2026-04-09T12:55:00Z"},{"value":"0.00164","scoring_system":"epss","scoring_elements":"0.37404","published_at":"2026-04-12T12:55:00Z"},{"value":"0.00164","scoring_system":"epss","scoring_elements":"0.37438","published_at":"2026-04-11T12:55:00Z"},{"value":"0.0019","scoring_system":"epss","scoring_elements":"0.40887","published_at":"2026-04-13T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2022-42252"},{"reference_url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H"}],"url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml"},{"reference_url":"https://github.com/apache/tomcat","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/apache/tomcat"},{"reference_url":"https://github.com/apache/tomcat/commit/0d089a15047faf9cb3c82f80f4d28febd4798920","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/apache/tomcat/commit/0d089a15047faf9cb3c82f80f4d28febd4798920"},{"reference_url":"https://github.com/apache/tomcat/commit/4c7f4fd09d2cc1692112ef70b8ee23a7a037ae77","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/apache/tomcat/commit/4c7f4fd09d2cc1692112ef70b8ee23a7a037ae77"},{"reference_url":"https://github.com/apache/tomcat/commit/a1c07906d8dcaf7957e5cc97f5cdbac7d18a205a","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/apache/tomcat/commit/a1c07906d8dcaf7957e5cc97f5cdbac7d18a205a"},{"reference_url":"https://github.com/apache/tomcat/commit/c9fe754e5d17e262dfbd3eab2a03ca96ff372dc3","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/apache/tomcat/commit/c9fe754e5d17e262dfbd3eab2a03ca96ff372dc3"},{"reference_url":"https://lists.apache.org/thread/zzcxzvqfdqn515zfs3dxb7n8gty589sq","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-05-06T15:08:43Z/"}],"url":"https://lists.apache.org/thread/zzcxzvqfdqn515zfs3dxb7n8gty589sq"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2022-42252","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-42252"},{"reference_url":"https://security.gentoo.org/glsa/202305-37","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-05-06T15:08:43Z/"}],"url":"https://security.gentoo.org/glsa/202305-37"},{"reference_url":"https://tomcat.apache.org/security-10.html","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://tomcat.apache.org/security-10.html"},{"reference_url":"https://tomcat.apache.org/security-8.html","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://tomcat.apache.org/security-8.html"},{"reference_url":"https://tomcat.apache.org/security-9.html","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://tomcat.apache.org/security-9.html"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=2141329","reference_id":"2141329","reference_type":"","scores":[],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2141329"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-42252","reference_id":"CVE-2022-42252","reference_type":"","scores":[{"value":"Low","scoring_system":"apache_tomcat","scoring_elements":""}],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-42252"},{"reference_url":"https://github.com/advisories/GHSA-p22x-g9px-3945","reference_id":"GHSA-p22x-g9px-3945","reference_type":"","scores":[{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-p22x-g9px-3945"},{"reference_url":"https://access.redhat.com/errata/RHSA-2023:1663","reference_id":"RHSA-2023:1663","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2023:1663"},{"reference_url":"https://access.redhat.com/errata/RHSA-2023:1664","reference_id":"RHSA-2023:1664","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2023:1664"},{"reference_url":"https://usn.ubuntu.com/6880-1/","reference_id":"USN-6880-1","reference_type":"","scores":[],"url":"https://usn.ubuntu.com/6880-1/"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/340169?format=json","purl":"pkg:maven/org.apache.tomcat/tomcat-coyote@8.5.83","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-b3bb-9ajg-sfc9"},{"vulnerability":"VCID-j6cj-ftyd-3ffa"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:maven/org.apache.tomcat/tomcat-coyote@8.5.83"},{"url":"http://public2.vulnerablecode.io/api/packages/81244?format=json","purl":"pkg:maven/org.apache.tomcat/tomcat-coyote@9.0.68","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-b3bb-9ajg-sfc9"},{"vulnerability":"VCID-j6cj-ftyd-3ffa"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:maven/org.apache.tomcat/tomcat-coyote@9.0.68"},{"url":"http://public2.vulnerablecode.io/api/packages/81245?format=json","purl":"pkg:maven/org.apache.tomcat/tomcat-coyote@10.0.27","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:maven/org.apache.tomcat/tomcat-coyote@10.0.27"},{"url":"http://public2.vulnerablecode.io/api/packages/81246?format=json","purl":"pkg:maven/org.apache.tomcat/tomcat-coyote@10.1.1","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-b3bb-9ajg-sfc9"},{"vulnerability":"VCID-j6cj-ftyd-3ffa"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:maven/org.apache.tomcat/tomcat-coyote@10.1.1"}],"aliases":["CVE-2022-42252","GHSA-p22x-g9px-3945"],"risk_score":4.0,"exploitability":"0.5","weighted_severity":"8.0","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-nmq2-8ysj-4fbc"}],"fixing_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/4465?format=json","vulnerability_id":"VCID-a8gk-n8bq-87cp","summary":"When serving resources from a network location using the NTFS file system, Apache Tomcat versions 10.0.0-M1 to 10.0.0-M9, 9.0.0.M1 to 9.0.39, 8.5.0 to 8.5.59 and 7.0.0 to 7.0.106 were susceptible to JSP source code disclosure in some configurations. The root cause was the unexpected behaviour of the JRE API File.getCanonicalPath() which in turn was caused by the inconsistent behaviour of the Windows API (FindFirstFileW) in some circumstances.","references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-24122.json","reference_id":"","reference_type":"","scores":[{"value":"5.9","scoring_system":"cvssv3","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-24122.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2021-24122","reference_id":"","reference_type":"","scores":[{"value":"0.52591","scoring_system":"epss","scoring_elements":"0.97941","published_at":"2026-04-13T12:55:00Z"},{"value":"0.52591","scoring_system":"epss","scoring_elements":"0.9794","published_at":"2026-04-12T12:55:00Z"},{"value":"0.52591","scoring_system":"epss","scoring_elements":"0.97938","published_at":"2026-04-11T12:55:00Z"},{"value":"0.52591","scoring_system":"epss","scoring_elements":"0.97935","published_at":"2026-04-09T12:55:00Z"},{"value":"0.52591","scoring_system":"epss","scoring_elements":"0.97932","published_at":"2026-04-08T12:55:00Z"},{"value":"0.52591","scoring_system":"epss","scoring_elements":"0.97927","published_at":"2026-04-07T12:55:00Z"},{"value":"0.52591","scoring_system":"epss","scoring_elements":"0.97919","published_at":"2026-04-01T12:55:00Z"},{"value":"0.52591","scoring_system":"epss","scoring_elements":"0.97924","published_at":"2026-04-04T12:55:00Z"},{"value":"0.52591","scoring_system":"epss","scoring_elements":"0.97922","published_at":"2026-04-02T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2021-24122"},{"reference_url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml","reference_id":"","reference_type":"","scores":[{"value":"5.9","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"}],"url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml"},{"reference_url":"https://github.com/apache/tomcat","reference_id":"","reference_type":"","scores":[{"value":"5.9","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/apache/tomcat"},{"reference_url":"https://github.com/apache/tomcat/commit/7f004ac4531c45f9a2a2d1470561fe135cf27bc2","reference_id":"","reference_type":"","scores":[{"value":"5.9","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/apache/tomcat/commit/7f004ac4531c45f9a2a2d1470561fe135cf27bc2"},{"reference_url":"https://github.com/apache/tomcat/commit/800b03140e640f8892f27021e681645e8e320177","reference_id":"","reference_type":"","scores":[{"value":"5.9","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/apache/tomcat/commit/800b03140e640f8892f27021e681645e8e320177"},{"reference_url":"https://github.com/apache/tomcat/commit/920dddbdb981f92e8d5872a4bb126a10af5ca8a9","reference_id":"","reference_type":"","scores":[{"value":"5.9","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/apache/tomcat/commit/920dddbdb981f92e8d5872a4bb126a10af5ca8a9"},{"reference_url":"https://github.com/apache/tomcat/commit/935fc5582dc25ae10bab6f9d5629ff8d996cb533","reference_id":"","reference_type":"","scores":[{"value":"5.9","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/apache/tomcat/commit/935fc5582dc25ae10bab6f9d5629ff8d996cb533"},{"reference_url":"https://lists.apache.org/thread.html/r1595889b083e05986f42b944dc43060d6b083022260b6ea64d2cec52@%3Cannounce.apache.org%3E","reference_id":"","reference_type":"","scores":[{"value":"5.9","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.apache.org/thread.html/r1595889b083e05986f42b944dc43060d6b083022260b6ea64d2cec52@%3Cannounce.apache.org%3E"},{"reference_url":"https://lists.apache.org/thread.html/r1595889b083e05986f42b944dc43060d6b083022260b6ea64d2cec52@%3Cannounce.tomcat.apache.org%3E","reference_id":"","reference_type":"","scores":[{"value":"5.9","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.apache.org/thread.html/r1595889b083e05986f42b944dc43060d6b083022260b6ea64d2cec52@%3Cannounce.tomcat.apache.org%3E"},{"reference_url":"https://lists.apache.org/thread.html/r1595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ran8-rnqn-tkbc","summary":"While investigating bug 64830 it was discovered that Apache Tomcat 10.0.0-M1 to 10.0.0-M9, 9.0.0-M1 to 9.0.39 and 8.5.0 to 8.5.59 could re-use an HTTP request header value from the previous stream received on an HTTP/2 connection for the request associated with the subsequent stream. While this would most likely lead to an error and the closure of the HTTP/2 connection, it is possible that information could leak between requests.","references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-17527.json","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-17527.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2020-17527","reference_id":"","reference_type":"","scores":[{"value":"0.10506","scoring_system":"epss","scoring_elements":"0.93254","published_at":"2026-04-13T12:55:00Z"},{"value":"0.10506","scoring_system":"epss","scoring_elements":"0.93253","published_at":"2026-04-12T12:55:00Z"},{"value":"0.10506","scoring_system":"epss","scoring_elements":"0.93255","published_at":"2026-04-11T12:55:00Z"},{"value":"0.10506","scoring_system":"epss","scoring_elements":"0.93251","published_at":"2026-04-09T12:55:00Z"},{"value":"0.10506","scoring_system":"epss","scoring_elements":"0.9324","published_at":"2026-04-04T12:55:00Z"},{"value":"0.10506","scoring_system":"epss","scoring_elements":"0.93235","published_at":"2026-04-02T12:55:00Z"},{"value":"0.10506","scoring_system":"epss","scoring_elements":"0.93226","published_at":"2026-04-01T12:55:00Z"},{"value":"0.10506","scoring_system":"epss","scoring_elements":"0.93247","published_at":"2026-04-08T12:55:00Z"},{"value":"0.10506","scoring_system":"epss","scoring_elements":"0.93238","published_at":"2026-04-07T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2020-17527"},{"reference_url":"https://bz.apache.org/bugzilla/show_bug.cgi?id=64830","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://bz.apache.org/bugzilla/show_bug.cgi?id=64830"},{"reference_url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"}],"url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml"},{"reference_url":"https://github.com/apache/tomcat","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/apache/tomcat"},{"reference_url":"https://github.com/apache/tomcat/commit/21e3408671aac7e0d7e264e720cac8b1b189eb29","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/apache/tomcat/commit/21e3408671aac7e0d7e264e720cac8b1b189eb29"},{"reference_url":"https://github.com/apache/tomcat/commit/8d2fe6894d6e258a6d615d7f786acca80e6020cb","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/apache/tomcat/commit/8d2fe6894d6e258a6d615d7f786acca80e6020cb"},{"reference_url":"https://github.com/apache/tomcat/commit/d56293f816d6dc9e2b47107f208fa9e95db58c65","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/apache/tomcat/commit/d56293f816d6dc9e2b47107f208fa9e95db58c65"},{"reference_url":"https://lists.apache.org/thread.html/r26a2a66339087fc37db3caf201e446d3e83b5cce314371e235ff1784@%3Ccommits.tomee.apache.org%3E","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.apache.org/thread.html/r26a2a66339087fc37db3caf201e446d3e83b5cce314371e235ff1784@%3Ccommits.tomee.apache.org%3E"},{"reference_url":"https://lists.apache.org/thread.html/r2d6e05c5ff96f8068a59dfdb3800e9ee8d4e36ce1971783c6e5f9b20@%3Ccommits.tomee.apache.org%3E","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.apache.org/thread.html/r2d6e05c5ff96f8068a59dfdb3800e9ee8d4e36ce1971783c6e5f9b20@%3Ccommits.tomee.apache.org%3E"},{"reference_url":"https://lists.apache.org/thread.html/r5a285242737ddef4d338236328aaaf3237183e1465a5efafd16b99ed@%3Cdev.tomcat.apache.org%3E","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