CVE-2026-6654

MEDIUM EPSS 3.6%
Published Apr 20, 20262mo ago · Modified Jun 17, 20262w ago
5.1 CVSS 3.1
Medium
Find Similar
Published Apr 20, 2026 2mo ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
5.1
Exploitability
2.5
Impact
2.5
Vector string
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Low
Integrity Low
Availability None

Threat Intelligence

EPSS Exploit Probability
3.6% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 2

CWE-415
CWE-416 Use After Free Memory Safety

Affected Products 1

VendorProductVersionRange
mozillathin-vec0.2.15any

References 1

  • github.com https://github.com/mozilla/thin-vec/security/advisories/GHSA-xphw-cqx3-667j
    ExploitVendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.