{"url":"http://public2.vulnerablecode.io/api/packages/570068?format=json","purl":"pkg:maven/io.netty/netty-handler@4.1.91.Final","type":"maven","namespace":"io.netty","name":"netty-handler","version":"4.1.91.Final","qualifiers":{},"subpath":"","is_vulnerable":true,"next_non_vulnerable_version":"4.1.118.Final","latest_non_vulnerable_version":"4.1.118.Final","affected_by_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/18066?format=json","vulnerability_id":"VCID-8b9g-6r2j-tqhw","summary":"Allocation of Resources Without Limits or Throttling\nNetty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. The `SniHandler` can allocate up to 16MB of heap for each channel during the TLS handshake. When the handler or the channel does not have an idle timeout, it can be used to make a TCP server using the `SniHandler` to allocate 16MB of heap. The `SniHandler` class is a handler that waits for the TLS handshake to configure a `SslHandler` according to the indicated server name by the `ClientHello` record. For this matter it allocates a `ByteBuf` using the value defined in the `ClientHello` record. Normally the value of the packet should be smaller than the handshake packet but there are not checks done here and the way the code is written, it is possible to craft a packet that makes the `SslClientHelloHandler`. This vulnerability has been fixed in version 4.1.94.Final.","references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-34462.json","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-34462.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2023-34462","reference_id":"","reference_type":"","scores":[{"value":"0.00998","scoring_system":"epss","scoring_elements":"0.77072","published_at":"2026-05-07T12:55:00Z"},{"value":"0.00998","scoring_system":"epss","scoring_elements":"0.77043","published_at":"2026-05-05T12:55:00Z"},{"value":"0.00998","scoring_system":"epss","scoring_elements":"0.77052","published_at":"2026-04-29T12:55:00Z"},{"value":"0.00998","scoring_system":"epss","scoring_elements":"0.77038","published_at":"2026-04-26T12:55:00Z"},{"value":"0.00998","scoring_system":"epss","scoring_elements":"0.77032","published_at":"2026-04-24T12:55:00Z"},{"value":"0.00998","scoring_system":"epss","scoring_elements":"0.76997","published_at":"2026-04-21T12:55:00Z"},{"value":"0.00998","scoring_system":"epss","scoring_elements":"0.76915","published_at":"2026-04-07T12:55:00Z"},{"value":"0.00998","scoring_system":"epss","scoring_elements":"0.76966","published_at":"2026-04-12T12:55:00Z"},{"value":"0.00998","scoring_system":"epss","scoring_elements":"0.76986","published_at":"2026-04-11T12:55:00Z"},{"value":"0.00998","scoring_system":"epss","scoring_elements":"0.76902","published_at":"2026-04-02T12:55:00Z"},{"value":"0.00998","scoring_system":"epss","scoring_elements":"0.76959","published_at":"2026-04-09T12:55:00Z"},{"value":"0.00998","scoring_system":"epss","scoring_elements":"0.76948","published_at":"2026-04-08T12:55:00Z"},{"value":"0.00998","scoring_system":"epss","scoring_elements":"0.76933","published_at":"2026-04-04T12:55:00Z"},{"value":"0.00998","scoring_system":"epss","scoring_elements":"0.77005","published_at":"2026-04-18T12:55:00Z"},{"value":"0.00998","scoring_system":"epss","scoring_elements":"0.77002","published_at":"2026-04-16T12:55:00Z"},{"value":"0.00998","scoring_system":"epss","scoring_elements":"0.76961","published_at":"2026-04-13T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2023-34462"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-34462","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-34462"},{"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:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}],"url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml"},{"reference_url":"https://github.com/netty/netty","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/netty/netty"},{"reference_url":"https://github.com/netty/netty/commit/535da17e45201ae4278c0479e6162bb4127d4c32","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-07-16T18:36:13Z/"}],"url":"https://github.com/netty/netty/commit/535da17e45201ae4278c0479e6162bb4127d4c32"},{"reference_url":"https://security.netapp.com/advisory/ntap-20230803-0001","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://security.netapp.com/advisory/ntap-20230803-0001"},{"reference_url":"https://security.netapp.com/advisory/ntap-20240621-0007","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://security.netapp.com/advisory/ntap-20240621-0007"},{"reference_url":"https://www.debian.org/security/2023/dsa-5558","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-07-16T18:36:13Z/"}],"url":"https://www.debian.org/security/2023/dsa-5558"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1038947","reference_id":"1038947","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1038947"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=2216888","reference_id":"2216888","reference_type":"","scores":[],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2216888"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2023-34462","reference_id":"CVE-2023-34462","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-34462"},{"reference_url":"https://github.com/advisories/GHSA-6mjq-h674-j845","reference_id":"GHSA-6mjq-h674-j845","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-6mjq-h674-j845"},{"reference_url":"https://github.com/netty/netty/security/advisories/GHSA-6mjq-h674-j845","reference_id":"GHSA-6mjq-h674-j845","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-07-16T18:36:13Z/"}],"url":"https://github.com/netty/netty/security/advisories/GHSA-6mjq-h674-j845"},{"reference_url":"https://security.netapp.com/advisory/ntap-20230803-0001/","reference_id":"ntap-20230803-0001","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-07-16T18:36:13Z/"}],"url":"https://security.netapp.com/advisory/ntap-20230803-0001/"},{"reference_url":"https://security.netapp.com/advisory/ntap-20240621-0007/","reference_id":"ntap-20240621-0007","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-07-16T18:36:13Z/"}],"url":"https://security.netapp.com/advisory/ntap-20240621-0007/"},{"reference_url":"https://access.redhat.com/errata/RHSA-2023:5165","reference_id":"RHSA-2023:5165","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2023:5165"},{"reference_url":"https://access.redhat.com/errata/RHSA-2023:5441","reference_id":"RHSA-2023:5441","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2023:5441"},{"reference_url":"https://access.redhat.com/errata/RHSA-2023:5946","reference_id":"RHSA-2023:5946","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2023:5946"},{"reference_url":"https://access.redhat.com/errata/RHSA-2023:7669","reference_id":"RHSA-2023:7669","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2023:7669"},{"reference_url":"https://access.redhat.com/errata/RHSA-2023:7697","reference_id":"RHSA-2023:7697","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2023:7697"},{"reference_url":"https://access.redhat.com/errata/RHSA-2024:0148","reference_id":"RHSA-2024:0148","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2024:0148"},{"reference_url":"https://usn.ubuntu.com/6994-1/","reference_id":"USN-6994-1","reference_type":"","scores":[],"url":"https://usn.ubuntu.com/6994-1/"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/58356?format=json","purl":"pkg:maven/io.netty/netty-handler@4.1.94.Final","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-epex-9q5x-ykf3"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:maven/io.netty/netty-handler@4.1.94.Final"}],"aliases":["CVE-2023-34462","GHSA-6mjq-h674-j845"],"risk_score":3.1,"exploitability":"0.5","weighted_severity":"6.2","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-8b9g-6r2j-tqhw"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/26927?format=json","vulnerability_id":"VCID-epex-9q5x-ykf3","summary":"SslHandler doesn't correctly validate packets which can lead to native crash when using native SSLEngine\n### Impact\nWhen a special crafted packet is received via SslHandler it doesn't correctly handle validation of such a packet in all cases which can lead to a native crash.\n\n### Workarounds\nAs workaround its possible to either disable the usage of the native SSLEngine or changing the code from:\n\n```\nSslContext context = ...;\nSslHandler handler = context.newHandler(....);\n```\n\nto:\n\n```\nSslContext context = ...;\nSSLEngine engine = context.newEngine(....);\nSslHandler handler = new SslHandler(engine, ....);\n```","references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-24970.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:N/A:H"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-24970.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2025-24970","reference_id":"","reference_type":"","scores":[{"value":"0.00953","scoring_system":"epss","scoring_elements":"0.76505","published_at":"2026-05-07T12:55:00Z"},{"value":"0.00953","scoring_system":"epss","scoring_elements":"0.76476","published_at":"2026-05-05T12:55:00Z"},{"value":"0.00953","scoring_system":"epss","scoring_elements":"0.7649","published_at":"2026-04-29T12:55:00Z"},{"value":"0.00953","scoring_system":"epss","scoring_elements":"0.76477","published_at":"2026-04-26T12:55:00Z"},{"value":"0.00953","scoring_system":"epss","scoring_elements":"0.7647","published_at":"2026-04-24T12:55:00Z"},{"value":"0.00953","scoring_system":"epss","scoring_elements":"0.76436","published_at":"2026-04-21T12:55:00Z"},{"value":"0.00953","scoring_system":"epss","scoring_elements":"0.76394","published_at":"2026-04-08T12:55:00Z"},{"value":"0.00953","scoring_system":"epss","scoring_elements":"0.76451","published_at":"2026-04-18T12:55:00Z"},{"value":"0.00953","scoring_system":"epss","scoring_elements":"0.76445","published_at":"2026-04-16T12:55:00Z"},{"value":"0.00953","scoring_system":"epss","scoring_elements":"0.76406","published_at":"2026-04-13T12:55:00Z"},{"value":"0.00953","scoring_system":"epss","scoring_elements":"0.76411","published_at":"2026-04-12T12:55:00Z"},{"value":"0.00953","scoring_system":"epss","scoring_elements":"0.76433","published_at":"2026-04-11T12:55:00Z"},{"value":"0.00953","scoring_system":"epss","scoring_elements":"0.76407","published_at":"2026-04-09T12:55:00Z"},{"value":"0.0098","scoring_system":"epss","scoring_elements":"0.76737","published_at":"2026-04-04T12:55:00Z"},{"value":"0.0098","scoring_system":"epss","scoring_elements":"0.76709","published_at":"2026-04-02T12:55:00Z"},{"value":"0.0098","scoring_system":"epss","scoring_elements":"0.76719","published_at":"2026-04-07T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2025-24970"},{"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:N/I:N/A:H"}],"url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml"},{"reference_url":"https://github.com/netty/netty","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:N/A:H"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/netty/netty"},{"reference_url":"https://github.com/netty/netty/commit/87f40725155b2f89adfde68c7732f97c153676c4","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:N/A:H"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2025-02-11T15:30:54Z/"}],"url":"https://github.com/netty/netty/commit/87f40725155b2f89adfde68c7732f97c153676c4"},{"reference_url":"https://github.com/netty/netty/security/advisories/GHSA-4g8c-wm8x-jfhw","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:N/A:H"},{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2025-02-11T15:30:54Z/"}],"url":"https://github.com/netty/netty/security/advisories/GHSA-4g8c-wm8x-jfhw"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2025-24970","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:N/A:H"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-24970"},{"reference_url":"https://security.netapp.com/advisory/ntap-20250221-0005","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:N/A:H"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://security.netapp.com/advisory/ntap-20250221-0005"},{"reference_url":"https://www.vicarius.io/vsociety/posts/cve-2025-24970-netty-vulnerability-detection","reference_id":"","reference_type":"","scores":[{"value":"7.5","scori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