Description
Enhanced Tracking Protection's Strict mode may have inadvertently allowed a CSP `frame-src` bypass and DOM-based XSS through the Google SafeFrame shim in the Web Compatibility extension. This issue could have exposed users to malicious frames masquerading as legitimate content. This vulnerability affects Firefox < 133, Firefox ESR < 128.5, Firefox ESR < 115.18, Thunderbird < 133, Thunderbird < 128.5, and Thunderbird < 115.18.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Mozilla Firefox
unspecified to < 133affected
Mozilla Firefox ESR
unspecified to < 128.5affected
Mozilla Firefox ESR
unspecified to < 115.18affected
Mozilla Thunderbird
unspecified to < 133affected
Mozilla Thunderbird
unspecified to < 128.5affected
Mozilla Thunderbird
unspecified to < 115.18affected
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1924167 ↗
- https://www.mozilla.org/security/advisories/mfsa2024-63/ ↗
- https://www.mozilla.org/security/advisories/mfsa2024-64/ ↗
- https://www.mozilla.org/security/advisories/mfsa2024-65/ ↗
- https://www.mozilla.org/security/advisories/mfsa2024-67/ ↗
- https://www.mozilla.org/security/advisories/mfsa2024-68/ ↗
- https://www.mozilla.org/security/advisories/mfsa2024-70/ ↗
- https://lists.debian.org/debian-lts-announce/2024/11/msg00029.html ↗