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CVE-2026-8949

Опубликовано: 19 мая 2026
Источник: redhat
CVSS3: 6.1

Описание

Integer overflow in the Widget: Win32 component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Integer overflow in the Widget: Win32 component

Отчет

This issue only affected Firefox and Thunderbird builds for Microsoft Windows, builds for Linux were not affected.

Затронутые пакеты

ПлатформаПакетСостояниеРекомендацияРелиз
Red Hat Enterprise Linux 10firefoxNot affected
Red Hat Enterprise Linux 10rhel10/firefox-flatpakNot affected
Red Hat Enterprise Linux 10rhel10/thunderbird-flatpakNot affected
Red Hat Enterprise Linux 10thunderbirdNot affected
Red Hat Enterprise Linux 6firefoxNot affected
Red Hat Enterprise Linux 6thunderbirdNot affected
Red Hat Enterprise Linux 7firefoxNot affected
Red Hat Enterprise Linux 7thunderbirdNot affected
Red Hat Enterprise Linux 8firefoxNot affected
Red Hat Enterprise Linux 8thunderbirdNot affected

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Дополнительная информация

Статус:

Moderate
Дефект:
CWE-190
https://bugzilla.redhat.com/show_bug.cgi?id=2479867firefox: thunderbird: Integer overflow in the Widget: Win32 component

6.1 Medium

CVSS3

Связанные уязвимости

CVSS3: 7.5
ubuntu
4 месяца назад

Integer overflow in the Widget: Win32 component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

CVSS3: 7.5
nvd
4 месяца назад

Integer overflow in the Widget: Win32 component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

CVSS3: 7.5
debian
4 месяца назад

Integer overflow in the Widget: Win32 component. This vulnerability wa ...

CVSS3: 7.5
github
4 месяца назад

Integer overflow in the Widget: Win32 component. This vulnerability was fixed in Firefox 151 and Firefox ESR 140.11.

suse-cvrf
4 месяца назад

Security update for MozillaFirefox

6.1 Medium

CVSS3