CVE-2026-6654

A flaw was found in the thinvec component of mozilla/thin-vec. This vulnerability involves a memory management error known as a Double-Free/Use-After-Free UAF, which occurs in the IntoIter::drop and ThinVec::clear functions. When a specific error condition a panic in ptr::dropinplace is triggered...

CVE-2026-6654: Double Free

Double-Free / Use-After-Free UAF in the IntoIter::drop and ThinVec::clear functions in the thinvec crate. A panic in ptr::dropinplace skips setting the length to zero...