CVE-2026-16381

Опубликовано: 21 июл. 2026

Источник: redhat

CVSS3: 6.1

EPSS Низкий

Описание

Same-origin policy bypass in the Networking: DNS component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the Networking: DNS component

Отчет

Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.

Затронутые пакеты

Платформа	Пакет	Состояние	Рекомендация	Релиз
Red Hat Enterprise Linux 10	rhel10/firefox-flatpak	Affected
Red Hat Enterprise Linux 10	rhel10/thunderbird-flatpak	Affected
Red Hat Enterprise Linux 6	firefox	Out of support scope
Red Hat Enterprise Linux 6	thunderbird	Out of support scope
Red Hat Enterprise Linux 7	thunderbird	Out of support scope
Red Hat Enterprise Linux 10	firefox	Fixed	RHSA-2026:47101	28.07.2026
Red Hat Enterprise Linux 10	thunderbird	Fixed	RHSA-2026:49621	03.08.2026
Red Hat Enterprise Linux 10.0 Extended Update Support	thunderbird	Fixed	RHSA-2026:53445	11.08.2026
Red Hat Enterprise Linux 10.0 Extended Update Support	firefox	Fixed	RHSA-2026:54181	12.08.2026
Red Hat Enterprise Linux 7 Extended Lifecycle Support	firefox	Fixed	RHSA-2026:54248	12.08.2026

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Ссылки на источники

Дополнительная информация

Статус:

Moderate

Дефект:

CWE-346

https://bugzilla.redhat.com/show_bug.cgi?id=2503434firefox: thunderbird: Same-origin policy bypass in the Networking: DNS component

EPSS

Процентиль: 7%

0.00173

Низкий

6.1 Medium

CVSS3

Связанные уязвимости

CVE-2026-16381

CVSS3: 9.1

ubuntu

около 2 месяцев назад

Same-origin policy bypass in the Networking: DNS component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

CVE-2026-16381

CVSS3: 9.1

nvd

около 2 месяцев назад

Same-origin policy bypass in the Networking: DNS component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

CVE-2026-16381

CVSS3: 9.1

debian

около 2 месяцев назад

Same-origin policy bypass in the Networking: DNS component. This vulne ...

GHSA-pp6f-jf25-x95p

CVSS3: 9.1

github

около 2 месяцев назад

Same-origin policy bypass in the Networking: DNS component. This vulnerability was fixed in Firefox 153 and Firefox ESR 140.13.

SUSE-SU-2026:3221-1

suse-cvrf

около 2 месяцев назад

Security update for MozillaFirefox

EPSS

Процентиль: 7%

0.00173

Низкий

6.1 Medium

CVSS3