VDB
GHSA-rrjf-ccr2-ph7g
GHSA-rrjf-ccr2-ph7g
PUBLISHED
CVSS 9.800000190734863 CRITICAL
Memory safety bugs present in Firefox 149.0.1 and Thunderbird 149.0.1. 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 < 149.0.2.
Risk Scores
CVSS 3.1
9.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| wolfi | firefox | 0, 0, 0 |
| chainguard | firefox | 0, 0, 0 |
Timeline
- Apr 7, 2026 CVE Published
- May 11, 2026 Security Advisory
- Jun 30, 2026 CVE Updated
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-5735 advisory
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=2025475%2C2025477 url
- https://access.redhat.com/security/cve/CVE-2026-5735 url
- https://bugzilla.redhat.com/show_bug.cgi?id=2455904 url
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-5735.json url
- https://www.mozilla.org/security/advisories/mfsa2026-25 url
- https://www.mozilla.org/security/advisories/mfsa2026-28 url