GHSA-xh4v-qr89-3hj3CriticalCVSS 9.8
Memory safety bugs present in Firefox 148 and Thunderbird 148. Some of these bugs showed evidence...
🔗 CVE IDs covered (1)
📋 Description
Memory safety bugs present in Firefox 148 and Thunderbird 148. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 149.
🔗 References (8)
- https://nvd.nist.gov/vuln/detail/CVE-2026-4729
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1944033%2C1997282%2C2009213%2C2011412%2C2021925%2C2022034
- https://www.mozilla.org/security/advisories/mfsa2026-20
- https://www.mozilla.org/security/advisories/mfsa2026-23
- https://access.redhat.com/security/cve/CVE-2026-4729
- https://bugzilla.redhat.com/show_bug.cgi?id=2450745
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-4729.json
- https://github.com/advisories/GHSA-xh4v-qr89-3hj3