CVE-2026-4711

Опубликовано: 24 мар. 2026

Источник: nvd

CVSS3: 9.8

EPSS Низкий

Описание

Use-after-free in the Widget: Cocoa component. This vulnerability affects Firefox < 149, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.

Ссылки

https://bugzilla.mozilla.org/show_bug.cgi?id=2017002
Permissions Required
https://www.mozilla.org/security/advisories/mfsa2026-20/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-22/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-23/
https://www.mozilla.org/security/advisories/mfsa2026-24/

Уязвимые конфигурации

Конфигурация 1

Одно из

cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*

Версия до 140.9.0 (исключая)

cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*

Версия до 149.0 (исключая)

EPSS

Процентиль: 6%

0.00023

Низкий

9.8 Critical

CVSS3

Дефекты

CWE-416

Связанные уязвимости

CVE-2026-4711

CVSS3: 9.8

ubuntu

14 дней назад

Use-after-free in the Widget: Cocoa component. This vulnerability affects Firefox < 149, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.

CVE-2026-4711

CVSS3: 6.1

redhat

14 дней назад

Use-after-free in the Widget: Cocoa component. This vulnerability affects Firefox < 149, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.

CVE-2026-4711

CVSS3: 9.8

debian

14 дней назад

Use-after-free in the Widget: Cocoa component. This vulnerability affe ...

GHSA-9979-85jw-xp9m

CVSS3: 9.8

github

14 дней назад

Use-after-free in the Widget: Cocoa component. This vulnerability affects Firefox < 149 and Firefox ESR < 140.9.

ELSA-2026-5932

oracle-oval

12 дней назад

ELSA-2026-5932: firefox security update (IMPORTANT)

EPSS

Процентиль: 6%

0.00023

Низкий

9.8 Critical

CVSS3

Дефекты

CWE-416