| Name | CVE-2026-6654 |
| 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. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1134494 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| rust-thin-vec (PTS) | trixie | 0.2.13-2 | vulnerable |
| forky, sid | 0.2.17-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
[trixie] - rust-thin-vec <no-dsa> (Minor issue)
https://github.com/mozilla/thin-vec/security/advisories/GHSA-xphw-cqx3-667j
Fixed by: https://github.com/mozilla/thin-vec/commit/df64748355222525c344ecd9d2c9f59a662e1678 (v0.2.16)
https://rustsec.org/advisories/RUSTSEC-2026-0103.html