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CVE-2026-2447

HIGH CVSS: 8.8 Published: 2026-02-16 Modified: 2026-07-15

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

Mozilla FirefoxMozilla Thunderbird

Weakness Type

CWE-122

References