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CVE-2026-59843

Опубликовано: 21 июл. 2026
Источник: redhat
CVSS3: 6.5
EPSS Низкий

Описание

A flaw was found in libssh. A remote authenticated peer can advertise a zero maximum packet size in SSH_MSG_CHANNEL_OPEN, causing later channel writes to loop indefinitely and consume CPU, leading to denial of service.

Меры по смягчению последствий

No workaround available.

Дополнительная информация

Статус:

Moderate
Дефект:
CWE-835
https://bugzilla.redhat.com/show_bug.cgi?id=2498176libssh: libssh: denial of service via zero advertised channel packet size

EPSS

Процентиль: 47%
0.00567
Низкий

6.5 Medium

CVSS3

Связанные уязвимости

CVSS3: 6.5
ubuntu
4 месяца назад

A flaw was found in libssh. A remote authenticated peer can advertise a zero maximum packet size in SSH_MSG_CHANNEL_OPEN, causing later channel writes to loop indefinitely and consume CPU, leading to denial of service.

CVSS3: 6.5
nvd
4 месяца назад

A flaw was found in libssh. A remote authenticated peer can advertise a zero maximum packet size in SSH_MSG_CHANNEL_OPEN, causing later channel writes to loop indefinitely and consume CPU, leading to denial of service.

CVSS3: 6.5
msrc
3 месяца назад

Libssh: libssh: denial of service via zero advertised channel packet size

CVSS3: 6.5
debian
4 месяца назад

A flaw was found in libssh. A remote authenticated peer can advertise ...

CVSS3: 6.5
redos
2 месяца назад

Уязвимость libssh

EPSS

Процентиль: 47%
0.00567
Низкий

6.5 Medium

CVSS3