{"action":"Upgrade io.netty:netty-codec-http to 4.1.136.Final (4.1.x) or 4.2.16.Final (4.2.x) or later.","affected":[{"fixed":"4.2.16.Final","introduced":"4.2.0.Final"},{"fixed":"4.1.136.Final","introduced":"0"}],"component":"io.netty:netty-codec-http","cve_ids":["CVE-2026-59899"],"ecosystem":"Maven","epss":0.00609,"exploited":false,"fixed_versions":["4.2.16.Final","4.1.136.Final"],"ghsa_id":"GHSA-q4f6-jm68-57ww","id":"tcs_01M5N98KPGC5ZMZNR64GJXSKXW","modified_at":"2026-09-10T03:50:52.883743437Z","published_at":"2026-07-22T21:49:13Z","references":["https://osv.dev/vulnerability/GHSA-q4f6-jm68-57ww","https://github.com/netty/netty/security/advisories/GHSA-q4f6-jm68-57ww","https://github.com/netty/netty","https://github.com/netty/netty/releases/tag/netty-4.1.136.Final","https://github.com/netty/netty/releases/tag/netty-4.2.16.Final"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-q4f6-jm68-57ww","url":"https://osv.dev/vulnerability/GHSA-q4f6-jm68-57ww"},{"source":"nvd","source_id":"CVE-2026-59899","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-59899"}],"summary":"Netty: [HttpContentEncoder] Unbounded Per-Connection Queue Growth via HTTP/1.1 Pipelining Leads to Denial of Service"}