ROOT-OS-DEBIAN-13-CVE-2026-66034 CVE-2026-66034 in libssh2 - Patched by Root

Root has patched CVE-2026-66034 in the libssh2 package for Root:Debian:13. Multiple fixed versions available...

Astra Linux – Vulnerability in libssh2

The vulnerability of the libssh2ntohu32 function in the SSH2 protocol implementation library Libssh2 involves reading data beyond the allowable buffer size. Exploiting this vulnerability allows a remote attacker to gain access to confidential data and also cause service failures...

Astra Linux – Vulnerability in libssh2

The vulnerability in the src/kex.c component of the SSH2 protocol implementation library Libssh2 involves reading data beyond the allowed buffer limits. Exploiting this vulnerability allows a remote attacker to gain access to confidential data...

Astra Linux – Vulnerability in libssh2

A vulnerability was discovered in the function libssh2packetadd in libssh2 1.10.0, allowing attackers to access out-of-bound memory...

Astra Linux – Vulnerability in libssh2

In libssh2 v1.9.0 and earlier versions, the SSHMSGDISCONNECT logic in packet.c has an integer overflow in a bounds check, allowing an attacker to specify an arbitrary out-of-bounds offset for a subsequent memory read. A malicious SSH server may be able to disclose sensitive information or cause a...

Astra Linux – Vulnerability in libssh2

The vulnerability of the libssh2packetadd function in the packet.c component of the SSH2 implementation library Libssh2 is related to insufficient input validation. Exploiting this vulnerability allows a remote attacker to cause service interruptions...

Astra Linux – Vulnerability in libssh2

libssh2 from version 1.11.1 onwards, fixed in commit 7acf3df, contains an out-of-bounds write vulnerability in ssh2transportread. This vulnerability occurs because the upper bound on the packetlength field is not enforced. Remote attackers can send crafted SSH packets with excessively large...

K000163051: libssh2 vulnerability CVE-2026-55200

Security Advisory Description libssh2 through 1.11.1, fixed in commit 7acf3df contains an out-of-bounds write vulnerability in ssh2transportread that fails to enforce upper bounds on packetlength field. Remote attackers can send crafted SSH packets with excessively large packetlength values to...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: libssh2 (UTSA-2026-102700)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-102700 advisory. libssh2 through 1.11.1 reads an attacker-controlled 32-bit attribute count from a publickey-subsystem response and uses it in the allocation numattrs...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: libssh2 (UTSA-2026-102704)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-102704 advisory. libssh2 through 1.11.1, fixed in commit 2dae302, contains an out-of-bounds heap read vulnerability in the sftpsymlink function in src/sftp.c that allows a malicious...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: libssh2 (UTSA-2026-031606)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-031606 advisory. A security vulnerability has been detected in libssh2 up to 1.11.1. The impacted element is the function userauthpassword of the file src/userauth.c. Such manipulati...

ROOT-OS-DEBIAN-11-CVE-2026-55200 CVE-2026-55200 in libssh2 - Patched by Root

Root has patched CVE-2026-55200 in the libssh2 package for Root:Debian:11. Multiple fixed versions available...

ROOT-OS-DEBIAN-11-CVE-2026-55199 CVE-2026-55199 in libssh2 - Patched by Root

Root has patched CVE-2026-55199 in the libssh2 package for Root:Debian:11. Multiple fixed versions available...

ROOT-OS-DEBIAN-11-CVE-2026-7598 CVE-2026-7598 in libssh2 - Patched by Root

Root has patched CVE-2026-7598 in the libssh2 package for Root:Debian:11. Multiple fixed versions available...

ROOT-OS-DEBIAN-11-CVE-2026-66032 CVE-2026-66032 in libssh2 - Patched by Root

Root has patched CVE-2026-66032 in the libssh2 package for Root:Debian:11. Multiple fixed versions available...

ROOT-OS-DEBIAN-11-CVE-2026-66034 CVE-2026-66034 in libssh2 - Patched by Root

Root has patched CVE-2026-66034 in the libssh2 package for Root:Debian:11. Multiple fixed versions available...

ROOT-OS-DEBIAN-11-CVE-2026-66033 CVE-2026-66033 in libssh2 - Patched by Root

Root has patched CVE-2026-66033 in the libssh2 package for Root:Debian:11. Multiple fixed versions available...

ROOT-OS-DEBIAN-11-CVE-2026-66035 CVE-2026-66035 in libssh2 - Patched by Root

Root has patched CVE-2026-66035 in the libssh2 package for Root:Debian:11. Multiple fixed versions available...

ROOT-OS-DEBIAN-11-CVE-2025-15661 CVE-2025-15661 in libssh2 - Patched by Root

Root has patched CVE-2025-15661 in the libssh2 package for Root:Debian:11. Multiple fixed versions available...

OESA-2026-3479 libssh2 security update

libssh2 is a library implementing the SSH2 protocol as defined by Internet Drafts: SECSH-TRANS22, SECSH-USERAUTH25, SECSH-CONNECTION23, SECSH-ARCH20, SECSH-FILEXFER06, SECSH-DHGEX04, and SECSH-NUMBERS10. Security Fixes: libssh2 through 1.11.1, fixed in commit 2dae302, contains an out-of-bounds he...