Description
Same-origin policy bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Mozilla Firefox
151 to ≤ *unaffected
Mozilla Thunderbird
151 to ≤ *unaffected
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=2038803 ↗
- https://www.mozilla.org/security/advisories/mfsa2026-46/ ↗
- https://www.mozilla.org/security/advisories/mfsa2026-50/ ↗
- https://access.redhat.com/security/cve/CVE-2026-8948 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=2479850 ↗
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-8948.json ↗