CVE-2026-6757

Description

Invalid pointer in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

References

https://www.securityweek.com/claude-mythos-finds-271-firefox-vulnerabilities/

https://www.mozilla.org/security/advisories/mfsa2026-34/

https://www.mozilla.org/security/advisories/mfsa2026-33/

https://www.mozilla.org/security/advisories/mfsa2026-32/

https://www.mozilla.org/security/advisories/mfsa2026-30/

https://bugzilla.mozilla.org/show_bug.cgi?id=2013588

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3

EPSS