cbcvebase.
CVE-2026-6654
published 2026-04-20

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…

medium5.1CVSS 3.1
AVLACLPRNUINSUCLILAN
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

5 ranges
VendorProductVersion rangeFixed in
mozillafirefox
mozillathin-vec
mozillathunderbird
rust-langrust
rust-toolset_rhel8rust