CLEANSTART-2026-GX06770 Double-Free / Use-After-Free (UAF) in the `IntoIter::drop` and `ThinVec::clear` functions in the thin_vec crate

CVE-2026-6654 affects multiple packages. Double-Free / Use-After-Free UAF in the IntoIter::drop and ThinVec::clear functions in the thinvec crate. See references for individual vulnerability details...