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CVE-2026-12291

Опубликовано: 16 июн. 2026
Источник: redhat
CVSS3: 7.5
EPSS Низкий

Описание

Use-after-free in the Networking: HTTP component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the Networking: HTTP component

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-2026:2773322.06.2026
Red Hat Enterprise Linux 10thunderbirdFixedRHSA-2026:3084629.06.2026
Red Hat Enterprise Linux 10.0 Extended Update SupportfirefoxFixedRHSA-2026:3610007.07.2026
Red Hat Enterprise Linux 10.0 Extended Update SupportthunderbirdFixedRHSA-2026:3875113.07.2026
Red Hat Enterprise Linux 7 Extended Lifecycle SupportfirefoxFixedRHSA-2026:3850613.07.2026

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Дополнительная информация

Статус:

Important
Дефект:
CWE-825
https://bugzilla.redhat.com/show_bug.cgi?id=2489244firefox: thunderbird: Use-after-free in the Networking: HTTP component

EPSS

Процентиль: 32%
0.00382
Низкий

7.5 High

CVSS3

Связанные уязвимости

CVSS3: 8.8
ubuntu
3 месяца назад

Use-after-free in the Networking: HTTP component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.

CVSS3: 8.8
nvd
3 месяца назад

Use-after-free in the Networking: HTTP component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.

CVSS3: 8.8
debian
3 месяца назад

Use-after-free in the Networking: HTTP component. This vulnerability w ...

CVSS3: 8.8
github
3 месяца назад

Use-after-free in the Networking: HTTP component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, and Firefox ESR 115.37.

suse-cvrf
3 месяца назад

Security update for MozillaFirefox

EPSS

Процентиль: 32%
0.00382
Низкий

7.5 High

CVSS3