CVE-2026-6654
Use-After-Free and Double-Free in IntoIter::drop when element drop panics
MEDIUM 5.1EPSS 0.2%
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.
- Affected
- Mozilla · thin-vec
- CVSS v3.1 NVD
- 5.1 MEDIUM
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N - CVSS v3.1 CNA
- 7.3 HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H - EPSS
- 0.16% chance of exploitation in the next 30 days, 5th percentile
- Published
- 2026-04-20
- Updated
- 2026-07-15