{"action":"Upgrade io.netty:netty-codec-http to 4.1.71.Final or later.","affected":[{"fixed":"4.1.71.Final","introduced":"4.0.0"}],"component":"io.netty:netty-codec-http","cve_ids":["CVE-2021-43797"],"ecosystem":"Maven","epss":0.02884,"exploited":false,"fixed_versions":["4.1.71.Final"],"ghsa_id":"GHSA-wx5j-54mm-rqqq","id":"tcs_01M5N9HCFXVKFQXARME5T7RG8M","modified_at":"2026-09-10T03:49:01.090670310Z","published_at":"2021-12-09T19:09:17Z","references":["https://osv.dev/vulnerability/GHSA-wx5j-54mm-rqqq","https://github.com/netty/netty/security/advisories/GHSA-wx5j-54mm-rqqq","https://nvd.nist.gov/vuln/detail/CVE-2021-43797","https://github.com/netty/netty/pull/11891","https://github.com/netty/netty/commit/07aa6b5938a8b6ed7a6586e066400e2643897323","https://github.com/netty/netty","https://lists.debian.org/debian-lts-announce/2023/01/msg00008.html","https://security.netapp.com/advisory/ntap-20220107-0003","https://www.debian.org/security/2023/dsa-5316","https://www.oracle.com/security-alerts/cpuapr2022.html","https://www.oracle.com/security-alerts/cpujul2022.html"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"GHSA-wx5j-54mm-rqqq","url":"https://osv.dev/vulnerability/GHSA-wx5j-54mm-rqqq"}],"summary":"HTTP request smuggling in netty"}