Bug 2459689 (CVE-2026-6654) - CVE-2026-6654 thin-vec: mozilla/thin-vec: Memory corruption vulnerability via Double-Free/Use-After-Free
Summary: CVE-2026-6654 thin-vec: mozilla/thin-vec: Memory corruption vulnerability via...
Keywords:
Status: NEW
Alias: CVE-2026-6654
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
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Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-04-20 11:01 UTC by OSIDB Bzimport
Modified: 2026-04-21 18:31 UTC (History)
6 users (show)

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Description OSIDB Bzimport 2026-04-20 11:01:19 UTC 
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.
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