{"action":"Upgrade io.netty:netty-codec-http2 to 4.1.132.Final (4.1.x) or 4.2.11.Final (4.2.x) or later.","affected":[{"fixed":"4.1.132.Final","introduced":"0"},{"fixed":"4.2.11.Final","introduced":"4.2.0.Alpha1"}],"component":"io.netty:netty-codec-http2","cve_ids":["CVE-2026-33871"],"ecosystem":"Maven","epss":0.01145,"exploited":false,"fixed_versions":["4.1.132.Final","4.2.11.Final"],"ghsa_id":"GHSA-w9fj-cfpg-grvv","id":"tcs_01M5N9G0G8JY7DHFRC83SJ7MBN","modified_at":"2026-09-10T03:50:41.535305906Z","published_at":"2026-03-26T18:49:21Z","references":["https://osv.dev/vulnerability/GHSA-w9fj-cfpg-grvv","https://github.com/netty/netty/security/advisories/GHSA-w9fj-cfpg-grvv","https://nvd.nist.gov/vuln/detail/CVE-2026-33871","https://github.com/netty/netty"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-w9fj-cfpg-grvv","url":"https://osv.dev/vulnerability/GHSA-w9fj-cfpg-grvv"},{"source":"nvd","source_id":"CVE-2026-33871","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33871"}],"summary":"Netty HTTP/2 CONTINUATION Frame Flood DoS via Zero-Byte Frame Bypass"}