CVE-2026-6654
5.1 · MEDIUMOverview
CVE-2026-6654 is a medium-severity vulnerability affecting mozilla thin-vec. It was published on April 20, 2026 and has a CVSS 3.1 base score of 5.1 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.1, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from mozilla. Update thin-vec to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
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Frequently Asked Questions
What is CVE-2026-6654?
CVE-2026-6654 is a medium-severity vulnerability affecting mozilla thin-vec. It was published on April 20, 2026 and has a CVSS 3.1 base score of 5.1 (MEDIUM).
How severe is CVE-2026-6654?
This vulnerability has a CVSS 3.1 base score of 5.1, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2026-6654?
Check the references section for vendor advisories and patches from mozilla. Update thin-vec to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-6654?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-6654 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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