CVE-2026-8950

Опубликовано: 19 мая 2026

Источник: nvd

CVSS3: 9.3

EPSS Низкий

Описание

Same-origin policy bypass in the Networking: HTTP 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=1965430
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: 9%

0.00194

Низкий

9.3 Critical

CVSS3

Дефекты

CWE-346

Связанные уязвимости

CVE-2026-8950

CVSS3: 9.3

ubuntu

2 месяца назад

Same-origin policy bypass in the Networking: HTTP component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

CVE-2026-8950

CVSS3: 6.1

redhat

2 месяца назад

Same-origin policy bypass in the Networking: HTTP component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

CVE-2026-8950

CVSS3: 9.3

debian

2 месяца назад

Same-origin policy bypass in the Networking: HTTP component. This vuln ...

GHSA-m49g-cq5x-4jmc

CVSS3: 9.3

github

2 месяца назад

Same-origin policy bypass in the Networking: HTTP component. This vulnerability was fixed in Firefox 151 and Firefox ESR 140.11.

RLSA-2026:21382

rocky

2 месяца назад

Important: firefox security update

EPSS

Процентиль: 9%

0.00194

Низкий

9.3 Critical

CVSS3

Дефекты

CWE-346