{"id":"CVE-2025-24970","aliases":["GHSA-4g8c-wm8x-jfhw"],"url":"https://o3.security/vulnerability/CVE-2025-24970","summary":"SslHandler doesn't correctly validate packets which can lead to native crash when using native SSLEngine","details":"### 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```","published":"2025-02-10T21:57:28.730Z","modified":"2026-08-12T14:52:32.136022Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":{"score":0.02149,"percentile":0.80819,"asOf":"2026-08-30"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"io.netty:netty-handler","fixedVersion":"4.1.118.Final"}],"fix":{"url":"https://github.com/netty/netty/commit/87f40725155b2f89adfde68c7732f97c153676c4","label":"netty/netty@87f4072"},"references":[{"type":"WEB","url":"https://www.vicarius.io/vsociety/posts/cve-2025-24970-netty-vulnerability-detection"},{"type":"WEB","url":"https://www.vicarius.io/vsociety/posts/cve-2025-24970-netty-vulnerability-mitigation"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/24xxx/CVE-2025-24970.json"},{"type":"ADVISORY","url":"https://github.com/netty/netty/security/advisories/GHSA-4g8c-wm8x-jfhw"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-24970"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20250221-0005/"},{"type":"FIX","url":"https://github.com/netty/netty/commit/87f40725155b2f89adfde68c7732f97c153676c4"},{"type":"PACKAGE","url":"https://github.com/netty/netty"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20250221-0005"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T14:52:32.136022Z"}}