CVE-2026-6654

MEDIUM

5.1

Description

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.

CVE Details

CVSS v3.1 Score5.1

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published4/20/2026

Last Modified4/20/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-415CWE-416

References

https://github.com/mozilla/thin-vec/security/advisories/GHSA-xphw-cqx3-667j(security@mozilla.org)

IOC Correlations

No correlations recorded

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