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CVE-2026-84641

Опубликовано: 01 сент. 2026
Источник: redhat
CVSS3: 3.4
EPSS Низкий

Описание

A malicious IMAP server can trigger use-after-free and heap-memory disclosure by sending a crafted ID response. Heap contents can ultimately be persisted to prefs.js. This vulnerability was fixed in Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2.

A flaw was found in Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: A malicious IMAP server can trigger use-after-free and heap-memory disclosure by sending a crafted ID response. Heap contents can ultimately be persisted to prefs.js.

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/thunderbird-flatpakAffected
Red Hat Enterprise Linux 10thunderbirdAffected
Red Hat Enterprise Linux 6thunderbirdOut of support scope
Red Hat Enterprise Linux 7thunderbirdOut of support scope
Red Hat Enterprise Linux 8thunderbirdAffected
Red Hat Enterprise Linux 9thunderbirdAffected

Показывать по

Дополнительная информация

Статус:

Low
Дефект:
CWE-825
https://bugzilla.redhat.com/show_bug.cgi?id=2527115thunderbird: Information disclosure due to malicious IMAP server response

EPSS

Процентиль: 19%
0.00267
Низкий

3.4 Low

CVSS3

Связанные уязвимости

CVSS3: 7.5
ubuntu
14 дней назад

(A malicious IMAP server can trigger use-after-free and heap-memory dis ...)

CVSS3: 7.5
nvd
15 дней назад

A malicious IMAP server can trigger use-after-free and heap-memory disclosure by sending a crafted ID response. Heap contents can ultimately be persisted to prefs.js. This vulnerability was fixed in Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2.

CVSS3: 7.5
debian
15 дней назад

A malicious IMAP server can trigger use-after-free and heap-memory dis ...

CVSS3: 7.5
github
14 дней назад

A malicious IMAP server can trigger use-after-free and heap-memory disclosure by sending a crafted ID response. Heap contents can ultimately be persisted to prefs.js. This vulnerability was fixed in Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2.

EPSS

Процентиль: 19%
0.00267
Низкий

3.4 Low

CVSS3