CVE-2026-74936

Use-after-free in the JavaScript: WebAssembly component.

Firefox

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.

18. Aug 2026

Ausgewertete Quellen

• Mozilla
  https://www.mozilla.org/security/advisories/mfsa2026-74/
• Mozilla
  https://www.mozilla.org/security/advisories/mfsa2026-76/
• Mozilla
  https://www.mozilla.org/security/advisories/mfsa2026-77/
• Mozilla
  https://www.mozilla.org/security/advisories/mfsa2026-78/
• Mozilla
  https://www.mozilla.org/security/advisories/mfsa2026-79/
• Mozilla
  https://www.mozilla.org/security/advisories/mfsa2026-80/
• NVD
  CVE-2026-74936