CVE-2026-4716

Опубликовано: 24 мар. 2026

Источник: redhat

CVSS3: 6.1

Описание

Incorrect boundary conditions, uninitialized memory in the JavaScript Engine component. This vulnerability affects Firefox < 149, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Incorrect boundary conditions, uninitialized memory in the JavaScript Engine component

Отчет

Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.

Затронутые пакеты

Платформа	Пакет	Состояние	Рекомендация	Релиз
Red Hat Enterprise Linux 10	rhel10/firefox-flatpak	Affected
Red Hat Enterprise Linux 10	rhel10/thunderbird-flatpak	Affected
Red Hat Enterprise Linux 6	firefox	Out of support scope
Red Hat Enterprise Linux 6	thunderbird	Out of support scope
Red Hat Enterprise Linux 7	firefox	Affected
Red Hat Enterprise Linux 7	thunderbird	Out of support scope
Red Hat Enterprise Linux 8	thunderbird	Affected
Red Hat Enterprise Linux 10	firefox	Fixed	RHSA-2026:5931	26.03.2026
Red Hat Enterprise Linux 10	thunderbird	Fixed	RHSA-2026:6342	01.04.2026
Red Hat Enterprise Linux 8	firefox	Fixed	RHSA-2026:5932	26.03.2026

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Ссылки на источники

Дополнительная информация

Статус:

Moderate

Дефект:

CWE-824

https://bugzilla.redhat.com/show_bug.cgi?id=2450720firefox: thunderbird: Incorrect boundary conditions, uninitialized memory in the JavaScript Engine component

6.1 Medium

CVSS3

Связанные уязвимости

CVE-2026-4716

CVSS3: 9.1

ubuntu

14 дней назад

Incorrect boundary conditions, uninitialized memory in the JavaScript Engine component. This vulnerability affects Firefox < 149, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.

CVE-2026-4716

CVSS3: 9.1

nvd

14 дней назад

Incorrect boundary conditions, uninitialized memory in the JavaScript Engine component. This vulnerability affects Firefox < 149, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.

CVE-2026-4716

CVSS3: 9.1

debian

14 дней назад

Incorrect boundary conditions, uninitialized memory in the JavaScript ...

GHSA-r67f-xmr7-94cc

CVSS3: 9.1

github

14 дней назад

Incorrect boundary conditions, uninitialized memory in the JavaScript Engine 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)

6.1 Medium

CVSS3