{"cve":"CVE-2026-6654","nvd":{"published":"2026-04-20T11:16:19.937","modified":"2026-10-26T21:10:00.170","status":"Modified","description":"Double-Free / Use-After-Free (UAF) in the `IntoIter::drop` and `ThinVec::clear` functions in the thin_vec crate. A panic in `ptr::drop_in_place` skips setting the length to zero.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","score":5.1},"cwes":["CWE-415","CWE-416","CWE-1341"],"references":["https://github.com/mozilla/thin-vec/security/advisories/GHSA-xphw-cqx3-667j","https://access.redhat.com/security/cve/CVE-2026-6654","https://bugzilla.redhat.com/show_bug.cgi?id=2459689","https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-6654.json"],"products":["mozilla:thin-vec"],"source":"nvd","synced_at":"2026-10-26T21:38:48.864438205+00:00"},"epss":{"cve":"CVE-2026-6654","score":0.00168,"percentile":0.06136,"date":"2026-10-26"},"kev":null,"osv":[{"id":"GHSA-xphw-cqx3-667j","url":"https://osv.dev/vulnerability/GHSA-xphw-cqx3-667j","summary":"thin-vec: Use-After-Free and Double Free in IntoIter::drop When Element Drop Panics","modified":"2026-09-10T03:50:44.986828412Z","packages":[{"ecosystem":"crates.io","name":"thin-vec","purl":"pkg:cargo/thin-vec","ranges":["<0.2.16"],"fixed":["0.2.16"]}]},{"id":"RUSTSEC-2026-0103","url":"https://osv.dev/vulnerability/RUSTSEC-2026-0103","summary":"Use-After-Free and Double Free in IntoIter::drop When Element Drop Panics","modified":"2026-10-12T18:00:08.228043402Z","packages":[{"ecosystem":"crates.io","name":"thin-vec","purl":"pkg:cargo/thin-vec","ranges":[">=0.0.0-0 <0.2.16"],"fixed":["0.2.16"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}