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CVE-2026-0878

Опубликовано: 13 янв. 2026
Источник: redhat
CVSS3: 7.5

Описание

Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability affects Firefox < 147, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL 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 7thunderbirdOut of support scope
Red Hat Enterprise Linux 10firefoxFixedRHSA-2026:227109.02.2026
Red Hat Enterprise Linux 10thunderbirdFixedRHSA-2026:228609.02.2026
Red Hat Enterprise Linux 10.0 Extended Update SupportfirefoxFixedRHSA-2026:227109.02.2026
Red Hat Enterprise Linux 10.0 Extended Update SupportthunderbirdFixedRHSA-2026:228609.02.2026
Red Hat Enterprise Linux 7 Extended Lifecycle SupportfirefoxFixedRHSA-2026:223109.02.2026

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Дополнительная информация

Статус:

Important
https://bugzilla.redhat.com/show_bug.cgi?id=2428965firefox: thunderbird: Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component

7.5 High

CVSS3

Связанные уязвимости

CVSS3: 8
ubuntu
3 месяца назад

Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability affects Firefox < 147, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.

CVSS3: 8
nvd
3 месяца назад

Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability affects Firefox < 147, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.

CVSS3: 8
debian
3 месяца назад

Sandbox escape due to incorrect boundary conditions in the Graphics: C ...

CVSS3: 8
github
3 месяца назад

Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability affects Firefox < 147 and Firefox ESR < 140.7.

suse-cvrf
2 месяца назад

Security update for MozillaFirefox

7.5 High

CVSS3