NVD Vulnerability Detail
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CVE-2026-2447
Summary

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.

Summary

Desbordamiento de búfer en el heap en libvpx. Esta vulnerabilidad afecta a Firefox < 147.0.4, Firefox ESR < 140.7.1, Firefox ESR < 115.32.1, Thunderbird < 140.7.2, y Thunderbird < 147.0.2.

Publication Date Feb. 17, 2026, 12:18 a.m.
Registration Date April 15, 2026, 11:20 a.m.
Last Update April 14, 2026, 12:17 a.m.
CVSS3.1 : HIGH
スコア 8.8
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
攻撃元区分(AV) ネットワーク
攻撃条件の複雑さ(AC)
攻撃に必要な特権レベル(PR) 不要
利用者の関与(UI)
影響の想定範囲(S) 変更なし
機密性への影響(C)
完全性への影響(I)
可用性への影響(A)
Affected software configurations
Configuration1 or higher or less more than less than
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:* 115.32.1
cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:* 147.0.4
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:* 116.0 140.7.1
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* 140.7.2
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* 141.0 147.0.2
Related information, measures and tools
Common Vulnerabilities List