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CVE-2026-4686

Опубликовано: 24 мар. 2026
Источник: redhat
CVSS3: 7.5

Описание

Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, 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 in the Graphics: Canvas2D component

Отчет

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

Затронутые пакеты

ПлатформаПакетСостояниеРекомендацияРелиз
Red Hat Enterprise Linux 10rhel10/firefox-flatpakAffected
Red Hat Enterprise Linux 10rhel10/thunderbird-flatpakAffected
Red Hat Enterprise Linux 6firefoxOut of support scope
Red Hat Enterprise Linux 6thunderbirdOut of support scope
Red Hat Enterprise Linux 7firefoxAffected
Red Hat Enterprise Linux 7thunderbirdOut of support scope
Red Hat Enterprise Linux 8thunderbirdAffected
Red Hat Enterprise Linux 10firefoxFixedRHSA-2026:593126.03.2026
Red Hat Enterprise Linux 10thunderbirdFixedRHSA-2026:634201.04.2026
Red Hat Enterprise Linux 8firefoxFixedRHSA-2026:593226.03.2026

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Дополнительная информация

Статус:

Important
Дефект:
CWE-787
https://bugzilla.redhat.com/show_bug.cgi?id=2450734firefox: thunderbird: Incorrect boundary conditions in the Graphics: Canvas2D component

7.5 High

CVSS3

Связанные уязвимости

CVSS3: 7.5
ubuntu
14 дней назад

Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.

CVSS3: 7.5
nvd
14 дней назад

Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.

CVSS3: 7.5
debian
14 дней назад

Incorrect boundary conditions in the Graphics: Canvas2D component. Thi ...

CVSS3: 7.5
github
14 дней назад

Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, and Firefox ESR < 140.9.

oracle-oval
12 дней назад

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

7.5 High

CVSS3