CVE-2026-2804

Medium CVSS: 5.4

Use-after-free in the JavaScript: WebAssembly component. This vulnerability affects Firefox < 148 and Thunderbird < 148.

Vendor

Product

CWE

Yayın Tarihi

2026-02-24 14:16:28

Güncelleme

2026-02-25 15:08:37

Source Identifier

security@mozilla.org

KEV Date Added

CWE-416 Firefox MEDIUM Mozilla 2026

https://bugzilla.mozilla.org/show_bug.cgi?id=2013584 https://www.mozilla.org/security/advisories/mfsa2026-13/ https://www.mozilla.org/security/advisories/mfsa2026-16/

Medium

CVE-2026-3889

Spoofing issue in Thunderbird. This vulnerability affects Thunderbird < 149 and Thunderbird < 140.9.

High

CVE-2026-4371

A malicious mail server could send malformed strings with negative lengths, causing the parser to read memory outside th…

High

CVE-2026-4722

Privilege escalation in the IPC component. This vulnerability affects Firefox < 149 and Thunderbird < 149.

Critical

CVE-2026-4723

Use-after-free in the JavaScript Engine component. This vulnerability affects Firefox < 149 and Thunderbird < 149.

Critical

CVE-2026-4724

Undefined behavior in the Audio/Video component. This vulnerability affects Firefox < 149 and Thunderbird < 149.

Critical

CVE-2026-4725

Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability affects Firefox < 149 and T…