{"action":"Upgrade io.netty:netty-codec-http2 to 4.1.124.Final (4.1.x) or 4.2.4.Final (4.2.x) or later.","affected":[{"fixed":"4.2.4.Final","introduced":"4.2.0.Alpha1"},{"fixed":"4.1.124.Final","introduced":"0"}],"component":"io.netty:netty-codec-http2","cve_ids":["CVE-2025-55163"],"ecosystem":"Maven","epss":0.01101,"exploited":false,"fixed_versions":["4.2.4.Final","4.1.124.Final"],"ghsa_id":"GHSA-prj3-ccx8-p6x4","id":"tcs_01M5N97ZFFR5TK53S0SR8PXZFX","modified_at":"2026-09-10T03:50:27.396257754Z","published_at":"2025-08-13T19:06:56Z","references":["https://osv.dev/vulnerability/GHSA-prj3-ccx8-p6x4","https://github.com/netty/netty/security/advisories/GHSA-prj3-ccx8-p6x4","https://nvd.nist.gov/vuln/detail/CVE-2025-55163","https://github.com/grpc/grpc-java/commit/6462ef9a11980e168c21d90bbc7245c728fd1a7a","https://github.com/netty/netty/commit/be53dc3c9acd9af2e20d0c3c07cd77115a594cf1","https://github.com/netty/netty","https://www.kb.cert.org/vuls/id/767506","http://www.openwall.com/lists/oss-security/2025/08/16/1"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-prj3-ccx8-p6x4","url":"https://osv.dev/vulnerability/GHSA-prj3-ccx8-p6x4"}],"summary":"Netty affected by MadeYouReset HTTP/2 DDoS vulnerability"}