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2.0.28, 2.1.11, and 2.2.6 by \napplying the classname allowlist earlier.\n\n\n\n\n\nAffected are applications using Apache MINA that call  IoBuffer.getObject().\n\n\n\n\n\nApplications using Apache MINA are advised to upgrade.","references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-41635.json","reference_id":"","reference_type":"","scores":[{"value":"9.8","scoring_system":"cvssv3","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-41635.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2026-41635","reference_id":"","reference_type":"","scores":[{"value":"0.00046","scoring_system":"epss","scoring_elements":"0.14011","published_at":"2026-04-29T12:55:00Z"},{"value":"0.00135","scoring_system":"epss","scoring_elements":"0.32916","published_at":"2026-05-07T12:55:00Z"},{"value":"0.00135","scoring_system":"epss","scoring_elements":"0.32847","published_at":"2026-05-05T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-41635"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-41635","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-41635"},{"reference_url":"https://github.com/apache/mina","reference_id":"","reference_type":"","scores":[{"value":"9.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/apache/mina"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41635","reference_id":"","reference_type":"","scores":[{"value":"9.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41635"},{"reference_url":"http://www.openwall.com/lists/oss-security/2026/04/27/4","reference_id":"","reference_type":"","scores":[{"value":"9.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""}],"url":"http://www.openwall.com/lists/oss-security/2026/04/27/4"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1135167","reference_id":"1135167","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1135167"},{"reference_url":"https://lists.apache.org/thread/1l91w1mqsb3lwfd504fs045ylxntt2tm","reference_id":"1l91w1mqsb3lwfd504fs045ylxntt2tm","reference_type":"","scores":[{"value":"9.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:Y/T:T/P:M/B:A/M:M/D:T/2026-04-27T12:26:05Z/"}],"url":"https://lists.apache.org/thread/1l91w1mqsb3lwfd504fs045ylxntt2tm"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=2463177","reference_id":"2463177","reference_type":"","scores":[],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2463177"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/1077886?format=json","purl":"pkg:maven/org.apache.mina/mina-core@2.0.28","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-xf21-5r67-n7hg"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:maven/org.apache.mina/mina-core@2.0.28"},{"url":"http://public2.vulnerablecode.io/api/packages/1089615?format=json","purl":"pkg:maven/org.apache.mina/mina-core@2.1.11","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:maven/org.apache.mina/mina-core@2.1.11"},{"url":"http://public2.vulnerablecode.io/api/packages/1089606?format=json","purl":"pkg:maven/org.apache.mina/mina-core@2.2.6","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:maven/org.apache.mina/mina-core@2.2.6"}],"aliases":["CVE-2026-41635","GHSA-8297-v2rf-2p32"],"risk_score":4.5,"exploitability":"0.5","weighted_severity":"9.0","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-gbug-wxy7-n3f2"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/11456?format=json","vulnerability_id":"VCID-xf21-5r67-n7hg","summary":"Loop with Unreachable Exit Condition ('Infinite Loop')\nIn Apache MINA, a specifically crafted, malformed HTTP request may cause the HTTP Header decoder to loop indefinitely. The decoder assumed that the HTTP Header begins at the beginning of the buffer and loops if there is more data than expected.","references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-41973.json","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-41973.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2021-41973","reference_id":"","reference_type":"","scores":[{"value":"0.0084","scoring_system":"epss","scoring_elements":"0.74695","published_at":"2026-04-04T12:55:00Z"},{"value":"0.0084","scoring_system":"epss","scoring_elements":"0.74702","published_at":"2026-04-08T12:55:00Z"},{"value":"0.0084","scoring_system":"epss","scoring_elements":"0.74669","published_at":"2026-04-02T12:55:00Z"},{"value":"0.0084","scoring_system":"epss","scoring_elements":"0.7467","published_at":"2026-04-07T12:55:00Z"},{"value":"0.0084","scoring_system":"epss","scoring_elements":"0.74755","published_at":"2026-04-18T12:55:00Z"},{"value":"0.0084","scoring_system":"epss","scoring_elements":"0.74747","published_at":"2026-04-16T12:55:00Z"},{"value":"0.0084","scoring_system":"epss","scoring_elements":"0.7471","published_at":"2026-04-13T12:55:00Z"},{"value":"0.0084","scoring_system":"epss","scoring_elements":"0.74719","published_at":"2026-04-12T12:55:00Z"},{"value":"0.0084","scoring_system":"epss","scoring_elements":"0.7474","published_at":"2026-04-11T12:55:00Z"},{"value":"0.0084","scoring_system":"epss","scoring_elements":"0.74716","published_at":"2026-04-09T12:55:00Z"},{"value":"0.0084","scoring_system":"epss","scoring_elements":"0.74666","published_at":"2026-04-01T12:55:00Z"},{"value":"0.0126","scoring_system":"epss","scoring_elements":"0.7947","published_at":"2026-04-24T12:55:00Z"},{"value":"0.0126","scoring_system":"epss","scoring_elements":"0.79437","published_at":"2026-04-21T12:55:00Z"},{"value":"0.0126","scoring_system":"epss","scoring_elements":"0.79476","published_at":"2026-04-26T12:55:00Z"},{"value":"0.01813","scoring_system":"epss","scoring_elements":"0.82956","published_at":"2026-05-07T12:55:00Z"},{"value":"0.01813","scoring_system":"epss","scoring_elements":"0.82936","published_at":"2026-05-05T12:55:00Z"},{"value":"0.02443","scoring_system":"epss","scoring_elements":"0.85233","published_at":"2026-04-29T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2021-41973"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41973","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41973"},{"reference_url":"https://lists.apache.org/thread.html/r0b907da9340d5ff4e6c1a4798ef4e79700a668657f27cca8a39e9250%40%3Cdev.mina.apache.org%3E","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.apache.org/thread.html/r0b907da9340d5ff4e6c1a4798ef4e79700a668657f27cca8a39e9250%40%3Cdev.mina.apache.org%3E"},{"reference_url":"https://www.oracle.com/security-alerts/cpuapr2022.html","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://www.oracle.com/security-alerts/cpuapr2022.html"},{"reference_url":"http://www.openwall.com/lists/oss-security/2021/11/01/2","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"http://www.openwall.com/lists/oss-security/2021/11/01/2"},{"reference_url":"http://www.openwall.com/lists/oss-security/2021/11/01/8","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"http://www.openwall.com/lists/oss-security/2021/11/01/8"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=2027176","reference_id":"2027176","reference_type":"","scores":[],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2027176"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2021-41973","reference_id":"CVE-2021-41973","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-41973"},{"reference_url":"https://github.com/advisories/GHSA-6mcm-j9cj-3vc3","reference_id":"GHSA-6mcm-j9cj-3vc3","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"cvssv3.1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with Unreachable Exit Condition ('Infinite Loop')\nIn Apache MINA, a specifically crafted, malformed HTTP request may cause the HTTP Header decoder to loop indefinitely. 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