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.
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-6654.json
https://github.com/mozilla/thin-vec/security/advisories/GHSA-xphw-cqx3-667j