CVE-2026-74963

Опубликовано: 18 авг. 2026

Источник: nvd

CVSS3: 5.4

EPSS Низкий

Описание

Same-origin policy bypass in the Networking: Cookies component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.

Ссылки

https://bugzilla.mozilla.org/show_bug.cgi?id=2050482
Permissions Required
https://www.mozilla.org/security/advisories/mfsa2026-74/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-76/
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/mfsa2026-79/
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 140.14.0 (исключая)

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

Версия до 154.0.0 (исключая)

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

Версия до 140.14.0 (исключая)

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

Версия до 154.0 (исключая)

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

Версия от 153.0 (включая) до 153.1.0 (исключая)

EPSS

Процентиль: 2%

0.00124

Низкий

5.4 Medium

CVSS3

Дефекты

CWE-346

Связанные уязвимости

CVE-2026-74963

CVSS3: 5.4

ubuntu

9 дней назад

(Same-origin policy bypass in the Networking: Cookies component. This v ...)

CVE-2026-74963

CVSS3: 6.1

redhat

10 дней назад

CVE-2026-74963

CVSS3: 5.4

debian

10 дней назад

Same-origin policy bypass in the Networking: Cookies component. This v ...

GHSA-8r32-h7pp-v9x9

CVSS3: 5.4

github

9 дней назад

Same-origin policy bypass in the Networking: Cookies component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, and Firefox ESR 153.1.

openSUSE-SU-2026:21594-1

suse-cvrf

9 дней назад

Security update for MozillaFirefox

EPSS

Процентиль: 2%

0.00124

Низкий

5.4 Medium

CVSS3

Дефекты

CWE-346