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9.8критическая

CVE-2026-0884

Описание

Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.

Затрагиваемое ПО
Mozilla FirefoxMozilla Thunderbird
CVSS
Балл9.8 — критическая
ВекторCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Источники
https://bugzilla.mozilla.org/show_bug.cgi?id=2003588https://www.mozilla.org/security/advisories/mfsa2026-01/https://www.mozilla.org/security/advisories/mfsa2026-03/https://www.mozilla.org/security/advisories/mfsa2026-04/https://www.mozilla.org/security/advisories/mfsa2026-05/