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CVE-2026-16396

Опубликовано: 21 июл. 2026
Источник: redhat
CVSS3: 6.1
EPSS Низкий

Описание

Privilege escalation in WebExtensions. 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: Privilege escalation in WebExtensions

Отчет

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

Затронутые пакеты

ПлатформаПакетСостояниеРекомендацияРелиз
Red Hat Enterprise Linux 10rhel10/firefox-flatpakAffected
Red Hat Enterprise Linux 10rhel10/thunderbird-flatpakAffected
Red Hat Enterprise Linux 6firefoxOut of support scope
Red Hat Enterprise Linux 6thunderbirdOut of support scope
Red Hat Enterprise Linux 7thunderbirdOut of support scope
Red Hat Enterprise Linux 10firefoxFixedRHSA-2026:4710128.07.2026
Red Hat Enterprise Linux 10thunderbirdFixedRHSA-2026:4962103.08.2026
Red Hat Enterprise Linux 10.0 Extended Update SupportthunderbirdFixedRHSA-2026:5344511.08.2026
Red Hat Enterprise Linux 10.0 Extended Update SupportfirefoxFixedRHSA-2026:5418112.08.2026
Red Hat Enterprise Linux 7 Extended Lifecycle SupportfirefoxFixedRHSA-2026:5424812.08.2026

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Дополнительная информация

Статус:

Moderate
Дефект:
CWE-266
https://bugzilla.redhat.com/show_bug.cgi?id=2503521firefox: thunderbird: Privilege escalation in WebExtensions

EPSS

Процентиль: 15%
0.00241
Низкий

6.1 Medium

CVSS3

Связанные уязвимости

CVSS3: 8.8
ubuntu
около 2 месяцев назад

Privilege escalation in WebExtensions. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

CVSS3: 8.8
nvd
около 2 месяцев назад

Privilege escalation in WebExtensions. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

CVSS3: 8.8
debian
около 2 месяцев назад

Privilege escalation in WebExtensions. This vulnerability was fixed in ...

CVSS3: 9.8
github
около 2 месяцев назад

Privilege escalation in WebExtensions. This vulnerability was fixed in Firefox 153 and Firefox ESR 140.13.

suse-cvrf
около 2 месяцев назад

Security update for MozillaFirefox

EPSS

Процентиль: 15%
0.00241
Низкий

6.1 Medium

CVSS3