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CVE-2026-55200

Опубликовано: 03 июл. 2026
Источник: msrc
CVSS3: 8.1
EPSS Низкий

Описание

libssh2 - Out-of-Bounds Write via Unchecked packet_length in transport.c

EPSS

Процентиль: 90%
0.03877
Низкий

8.1 High

CVSS3

Связанные уязвимости

CVSS3: 8.3
ubuntu
5 месяцев назад

libssh2 1.11.1, fixed in commit 97acf3d, contains an out-of-bounds write vulnerability in ssh2_transport_read() that fails to enforce upper bounds on packet_length field. Remote attackers can send crafted SSH packets with excessively large packet_length values to corrupt heap memory and achieve remote code execution.

CVSS3: 7.1
redhat
5 месяцев назад

libssh2 through 1.11.1, fixed in commit 7acf3df contains an out-of-bounds write vulnerability in ssh2_transport_read() that fails to enforce upper bounds on packet_length field. Remote attackers can send crafted SSH packets with excessively large packet_length values to corrupt heap memory and achieve remote code execution.

CVSS3: 8.3
nvd
5 месяцев назад

libssh2 1.11.1, fixed in commit 97acf3d, contains an out-of-bounds write vulnerability in ssh2_transport_read() that fails to enforce upper bounds on packet_length field. Remote attackers can send crafted SSH packets with excessively large packet_length values to corrupt heap memory and achieve remote code execution.

CVSS3: 8.3
debian
5 месяцев назад

libssh2 1.11.1, fixed in commit 97acf3d, contains an out-of-bounds wri ...

CVSS3: 8.1
github
5 месяцев назад

libssh2 through 1.11.1, fixed in commit 7acf3df contains an out-of-bounds write vulnerability in ssh2_transport_read() that fails to enforce upper bounds on packet_length field. Remote attackers can send crafted SSH packets with excessively large packet_length values to corrupt heap memory and achieve remote code execution.

EPSS

Процентиль: 90%
0.03877
Низкий

8.1 High

CVSS3