{"id":"CVE-2020-35902","aliases":["GHSA-rqgx-hpg4-456r","RUSTSEC-2020-0049"],"url":"https://o3.security/vulnerability/CVE-2020-35902","summary":"Use-after-free in actix-codec","details":"An issue was discovered in the actix-codec crate before 0.3.0-beta.1 for Rust. There is a use-after-free in Framed.","published":"2020-12-31T09:15:14.943Z","modified":"2026-07-08T23:58:36.670640Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"crates.io","name":"actix-codec","fixedVersion":"0.3.0"}],"fix":{"url":"https://github.com/actix/actix-net/commit/c41b5d8dd4235ccca84d0b687996615c0c64d956","label":"actix/actix-net@c41b5d8"},"references":[{"type":"EVIDENCE","url":"https://rustsec.org/advisories/RUSTSEC-2020-0049.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-35902"},{"type":"WEB","url":"https://github.com/actix/actix-net/issues/91"},{"type":"WEB","url":"https://github.com/actix/actix-net/commit/c41b5d8dd4235ccca84d0b687996615c0c64d956"},{"type":"PACKAGE","url":"https://github.com/actix/actix-net"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T23:58:36.670640Z"}}