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CVE-2026-74987

Опубликовано: 18 авг. 2026
Источник: redhat
CVSS3: 7.5
EPSS Низкий

Описание

Internally found bugs present in Thunderbird ESR 140.13, Thunderbird ESR 153.0 and Thunderbird 153. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Internally found bugs present in Thunderbird ESR 140.13, Thunderbird ESR 153.0 and Thunderbird 153. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited.

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 10thunderbirdAffected
Red Hat Enterprise Linux 6firefoxOut of support scope
Red Hat Enterprise Linux 6thunderbirdOut of support scope
Red Hat Enterprise Linux 7firefoxAffected
Red Hat Enterprise Linux 7thunderbirdOut of support scope
Red Hat Enterprise Linux 8thunderbirdAffected
Red Hat Enterprise Linux 9firefoxAffected
Red Hat Enterprise Linux 9thunderbirdAffected

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Дополнительная информация

Статус:

Important
Дефект:
CWE-787
https://bugzilla.redhat.com/show_bug.cgi?id=2517823firefox: thunderbird: Internally found bugs fixed in Firefox ESR 140.14, Firefox ESR 153.1 and Firefox 154

EPSS

Процентиль: 42%
0.00523
Низкий

7.5 High

CVSS3

Связанные уязвимости

CVSS3: 9.8
ubuntu
9 дней назад

(Internally found bugs present in Thunderbird ESR 140.13, Thunderbird E ...)

CVSS3: 9.8
nvd
9 дней назад

Internally found bugs present in Thunderbird ESR 140.13, Thunderbird ESR 153.0 and Thunderbird 153. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.

CVSS3: 9.8
debian
9 дней назад

Internally found bugs present in Thunderbird ESR 140.13, Thunderbird E ...

CVSS3: 9.8
github
9 дней назад

Internally found bugs present in Firefox ESR 140.13, Firefox ESR 153.0 and Firefox 153. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, and Firefox ESR 153.1.

suse-cvrf
8 дней назад

Security update for MozillaFirefox

EPSS

Процентиль: 42%
0.00523
Низкий

7.5 High

CVSS3