CVE-2026-2447

HIGH

libvpx security update

Details

CVSS v3: 8.8
NVD published: 2026-02-16 15:18:34
EPSS: <0.1% probability · 12.2th percentile — 2026-03-12
Affected versions: cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:* cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:* cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:* cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
Summary: Heap buffer overflow in libvpx. This vulnerability affects Firefox < 147.0.4, Firefox ESR < 140.7.1, Firefox ESR < 115.32.1, Thunderbird < 140.7.2, and Thunderbird < 147.0.2.
Remediation: Not available in our cache.
Exploit info: Not available in our cache.

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Information is aggregated from multiple authoritative sources for convenience; verify with NVD and vendors before operational decisions.