CVE catalog

CVE-2026-6654

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.

[CVE catalog]

Severity: High · CVSS 7.3CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Published: Apr 20, 2026, 10:05:52 AM UTC
Source: [NVD] · [CVE record]
EPSS: 0.17% · Oct 25, 2026

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.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Cpe	thin-vec	Not reported	Not reported	unknown
Debian	rust-thin-vec	13	`0.2.13-2`	vulnerable
Debian	rust-thin-vec	13	`0.2.17-1`	vulnerable
Debian	rust-thin-vec	13	`0.2.21-1`	vulnerable
Debian	rust-thin-vec	14	`0.2.13-2`	vulnerable
Debian	rust-thin-vec	14	`0.2.17-1`	fixed
Cpe	thin-vec	Not reported	Not reported	unknown

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	rust-thin-vec	deb	14	`0.2.17-1`	Not reported	DEBIAN-CVE-2026-6654	Not reported

OpenFactory catalog packages

[Debian 13 (Trixie)]

[librust-thin-vec-dev]Affected
Source package: [rust-thin-vec]
Details (2)
- 0.2.13-2 · amd64 · trixie
  Affected
  nvd · rust-thin-vec · debian · 13
- 0.2.13-2 · arm64 · trixie
  Affected
  nvd · rust-thin-vec · debian · 13

Observed: Oct 27, 2026, 10:28:14 AM UTC

References

[FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]