NVD Vulnerability Detail
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CVE-2026-8954
Summary

Incorrect boundary conditions, integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

Publication Date May 19, 2026, 11:16 p.m.
Registration Date May 20, 2026, 4:12 a.m.
Last Update May 20, 2026, 3:42 a.m.
CVSS3.1 : HIGH
スコア 7.5
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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) 不要
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) なし
可用性への影響(A) なし
Affected software configurations
Configuration1 or higher or less more than less than
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:* 140.11.0
cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:* 151.0.0
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:* 140.11
Related information, measures and tools
Common Vulnerabilities List