CVE-2026-8949

Опубликовано: 19 мая 2026

Источник: nvd

CVSS3: 7.5

EPSS Низкий

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.

Ссылки

https://bugzilla.mozilla.org/show_bug.cgi?id=1355639
Permissions Required
https://www.mozilla.org/security/advisories/mfsa2026-46/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-48/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-50/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-51/
Vendor Advisory

Уязвимые конфигурации

Конфигурация 1

Одно из

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

Версия до 140.11.0 (исключая)

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

Версия до 151.0.0 (исключая)

cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:*

Версия до 140.11 (исключая)

cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*

Версия до 151.0.0 (исключая)

EPSS

Процентиль: 44%

0.00583

Низкий

7.5 High

CVSS3

Дефекты

CWE-190

Связанные уязвимости

CVE-2026-8949

CVSS3: 7.5

ubuntu

2 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.

CVE-2026-8949

CVSS3: 6.1

redhat

2 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.

CVE-2026-8949

CVSS3: 7.5

debian

2 месяца назад

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

GHSA-wpxg-v53p-m79m

CVSS3: 7.5

github

2 месяца назад

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

openSUSE-SU-2026:20789-1

suse-cvrf

2 месяца назад

Security update for MozillaFirefox

EPSS

Процентиль: 44%

0.00583

Низкий

7.5 High

CVSS3

Дефекты

CWE-190