VDB
GHSA-hxpv-3x38-h8v5
GHSA-hxpv-3x38-h8v5
PUBLISHED
CVSS 9.800000190734863 CRITICAL
Use-after-free in the JavaScript Engine component. This vulnerability affects Firefox < 149 and Firefox ESR < 140.9.
Risk Scores
CVSS v3.1
9.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Timeline
- Mar 24, 2026 CVE Published
- Mar 24, 2026 CVE Updated
- Apr 10, 2026 Security Advisory
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-4701 advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=2009303 url
- https://www.mozilla.org/security/advisories/mfsa2026-20 url
- https://www.mozilla.org/security/advisories/mfsa2026-22 url
- https://www.mozilla.org/security/advisories/mfsa2026-23 url
- https://www.mozilla.org/security/advisories/mfsa2026-24 url