Heap buffer overflow in libvpx_CVE-2026-2447

8.8 / 10

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Description

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.

AI Analysis

Heap buffer overflow in libvpx

Basic Information

ID CVE-2026-2447

Source mozilla

Published Feb 16, 2026 at 14:13

Modified Feb 17, 2026 at 14:53

Affected Product

Vendor Mozilla

Product Firefox

Version unspecified

Affected Versions Mozilla Firefox unspecified
Mozilla Firefox ESR unspecified
Mozilla Firefox ESR unspecified
Mozilla Thunderbird unspecified
Mozilla Thunderbird unspecified

CWE Classification

CWE-122

AI Assessment

AI Score 8.8 / 10

AI Severity High

Vendor Mozilla

Product Firefox, Thunderbird

Version < 147.0.4, < 140.7.1, < 115.32.1, < 140.7.2, < 147.0.2

References

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    "published": "2026-02-16T14:13:23.559Z",
    "modified": "2026-02-17T14:53:32.187Z",
    "type": "cve",
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    "references": "https://bugzilla.mozilla.org/show_bug.cgi?id=2014390\nhttps://www.mozilla.org/security/advisories/mfsa2026-10/\nhttps://www.mozilla.org/security/advisories/mfsa2026-11/",
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