CVE-2026-74955

Опубликовано: 18 авг. 2026

Источник: nvd

CVSS3: 8.8

EPSS Низкий

Описание

Privilege escalation in the Request Handling component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.

Ссылки

https://bugzilla.mozilla.org/show_bug.cgi?id=2029265
Permissions Required
https://www.mozilla.org/security/advisories/mfsa2026-74/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-77/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-78/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-80/
Vendor Advisory

Уязвимые конфигурации

Конфигурация 1

Одно из

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

Версия до 153.1.0 (исключая)

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

Версия до 154.0.0 (исключая)

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

Версия до 153.1.0 (исключая)

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

Версия до 154.0 (исключая)

EPSS

Процентиль: 12%

0.00221

Низкий

8.8 High

CVSS3

Дефекты

CWE-269

Связанные уязвимости

CVE-2026-74955

CVSS3: 8.8

ubuntu

9 дней назад

(Privilege escalation in the Request Handling component. This vulnerabi ...)

CVE-2026-74955

CVSS3: 6.1

redhat

10 дней назад

Privilege escalation in the Request Handling component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.

CVE-2026-74955

CVSS3: 8.8

debian

10 дней назад

Privilege escalation in the Request Handling component. This vulnerabi ...

GHSA-h83v-xrj2-hcmq

CVSS3: 8.8

github

9 дней назад

Privilege escalation in the Request Handling component. This vulnerability was fixed in Firefox 154 and Firefox ESR 153.1.

SUSE-SU-2026:3658-1

suse-cvrf

7 дней назад

Security update for MozillaFirefox

EPSS

Процентиль: 12%

0.00221

Низкий

8.8 High

CVSS3

Дефекты

CWE-269