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CVE-2026-57962

Опубликовано: 01 июл. 2026
Источник: redhat
CVSS3: 6.5

Описание

A malicious LDAP server, which a Thunderbird user is configured to query for address-book autocomplete, can stash arbitrarily large amounts of attacker-supplied data into the Thunderbird LDAP client until it crashes due to memory exhaustion. This vulnerability was fixed in Thunderbird 152.0.1 and Thunderbird 140.12.1.

A flaw was found in Thunderbird. A remote attacker, by operating a malicious Lightweight Directory Access Protocol (LDAP) server, can cause a Thunderbird client to crash due to memory exhaustion. This occurs when a user's Thunderbird client is configured to query the malicious LDAP server for address-book autocomplete, allowing the server to send an excessive amount of data. This can lead to a Denial of Service (DoS) for the affected user.

Затронутые пакеты

ПлатформаПакетСостояниеРекомендацияРелиз
Red Hat Enterprise Linux 10rhel10/thunderbird-flatpakNot affected
Red Hat Enterprise Linux 10thunderbirdNot affected
Red Hat Enterprise Linux 6thunderbirdNot affected
Red Hat Enterprise Linux 7thunderbirdNot affected
Red Hat Enterprise Linux 8thunderbirdNot affected
Red Hat Enterprise Linux 9thunderbirdNot affected

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Дополнительная информация

Статус:

Moderate
Дефект:
CWE-1050
https://bugzilla.redhat.com/show_bug.cgi?id=2495812thunderbird: Thunderbird: Denial of Service via malicious LDAP server

6.5 Medium

CVSS3

Связанные уязвимости

CVSS3: 5.3
ubuntu
3 месяца назад

A malicious LDAP server, which a Thunderbird user is configured to query for address-book autocomplete, can stash arbitrarily large amounts of attacker-supplied data into the Thunderbird LDAP client until it crashes due to memory exhaustion. This vulnerability was fixed in Thunderbird 152.0.1 and Thunderbird 140.12.1.

CVSS3: 5.3
nvd
3 месяца назад

A malicious LDAP server, which a Thunderbird user is configured to query for address-book autocomplete, can stash arbitrarily large amounts of attacker-supplied data into the Thunderbird LDAP client until it crashes due to memory exhaustion. This vulnerability was fixed in Thunderbird 152.0.1 and Thunderbird 140.12.1.

CVSS3: 5.3
debian
3 месяца назад

A malicious LDAP server, which a Thunderbird user is configured to que ...

CVSS3: 5.3
github
3 месяца назад

A malicious LDAP server, which a Thunderbird user is configured to query for address-book autocomplete, can stash arbitrarily large amounts of attacker-supplied data into the Thunderbird LDAP client until it crashes due to memory exhaustion. This vulnerability was fixed in Thunderbird 152.0.1 and Thunderbird 140.12.1.

6.5 Medium

CVSS3