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CVE-2026-2447

HIGH
8.8
CVSS Severity Score
EPSS Score0.0000%
EPSS Percentile0.00th
Published2026-02-16
Last Modified2026-07-15
Data SourcesNVD

Vulnerability Description

Heap buffer overflow in libvpx. This vulnerability was fixed in Firefox 147.0.4, Firefox ESR 140.7.1, Firefox ESR 115.32.1, Thunderbird 140.7.2, and Thunderbird 147.0.2.

Affected Platforms (CPE)

No CPE configurations currently published for this record.

References & Advisories

🔗 https://bugzilla.mozilla.org/show_bug.cgi?id=2014390
🔗 https://www.mozilla.org/security/advisories/mfsa2026-10/
🔗 https://www.mozilla.org/security/advisories/mfsa2026-11/
🔗 https://lists.debian.org/debian-lts-announce/2026/02/msg00028.html
🔗 https://access.redhat.com/errata/RHSA-2026:16174
🔗 https://access.redhat.com/errata/RHSA-2026:3338
🔗 https://access.redhat.com/errata/RHSA-2026:3339
🔗 https://access.redhat.com/errata/RHSA-2026:3361

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