libssh2: libssh2: Heap buffer overflow via integer overflow in publickey attribute allocation

A flaw in libssh2 allows a malicious SSH server to trigger a memory overflow by sending a manipulated attribute count. This can cause the connecting client to crash or allow unauthorized code execution...

SUSE SLED15 / SLES15 Security Update : libssh2_org (SUSE-SU-2026:3541-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3541-1 advisory. - CVE-2025-15661: out-of-bounds heap read vulnerability in the sftpsymlink function in src/sftp.c bsc1268546. ...

CVE-2026-5917

libgit2 versions before 1.8.7 and 1.9.0 before 1.9.7 built with the libssh2 SSH backend USESSH=libssh2 contain a shell command injection vulnerability that allows remote attackers to execute arbitrary commands on an SSH server by supplying a repository path containing unescaped shell metacharacte...

UBUNTU-CVE-2026-5917

libgit2 versions before 1.8.7 and 1.9.0 before 1.9.7 built with the libssh2 SSH backend USESSH=libssh2 contain a shell command injection vulnerability that allows remote attackers to execute arbitrary commands on an SSH server by supplying a repository path containing unescaped shell metacharacte...

CVE-2026-5917 libgit2 Shell Command Injection via ssh_libssh2 Backend

libgit2 versions before 1.8.7 and 1.9.0 before 1.9.7 built with the libssh2 SSH backend USESSH=libssh2 contain a shell command injection vulnerability that allows remote attackers to execute arbitrary commands on an SSH server by supplying a repository path containing unescaped shell metacharacte...

CVE-2026-5917 libgit2 Shell Command Injection via ssh_libssh2 Backend

libgit2 versions before 1.8.7 and 1.9.0 before 1.9.7 built with the libssh2 SSH backend USESSH=libssh2 contain a shell command injection vulnerability that allows remote attackers to execute arbitrary commands on an SSH server by supplying a repository path containing unescaped shell metacharacte...

GHSA-2CP6-34R9-54XX

creationtimestamp| type| source ---|---|--- 2026-08-11 09:43:37+00:00| seen| https://gist.github.com/hayageek/05ef86a8272d03ab9e54ab5476cf7afe...

CVE-2026-5917: Improper Neutralization of Special Elements used in an OS Command

libgit2 versions before 1.8.7 and 1.9.0 before 1.9.7 built with the libssh2 SSH backend USESSH=libssh2 contain a shell command injection vulnerability that allows remote attackers to execute arbitrary commands on an SSH server by supplying a repository path containing unescaped shell metacharacte...

OPENSUSE-SU-2026:21549-1 Security update for libssh2_org

This update for libssh2org fixes the following issues: - CVE-2025-15661: out-of-bounds heap read vulnerability in the sftpsymlink function in src/sftp.c bsc1268546. - CVE-2026-7598: integer overflow in function userauthpassword of file src/userauth.c bsc1263890. - CVE-2026-58050: heap buffer...

SUSE-SU-2026:23049-1 Security update for libssh2_org

This update for libssh2org fixes the following issues: - CVE-2025-15661: out-of-bounds heap read vulnerability in the sftpsymlink function in src/sftp.c bsc1268546. - CVE-2026-7598: integer overflow in function userauthpassword of file src/userauth.c bsc1263890. - CVE-2026-58050: heap buffer...

Security update for libssh2_org

This update for libssh2org fixes the following issues: CVE-2025-15661: out-of-bounds heap read vulnerability in the sftpsymlink function in src/sftp.c bsc1268546. CVE-2026-7598: integer overflow in function userauthpassword of file src/userauth.c bsc1263890. CVE-2026-58050: heap buffer overflow d...

SUSE-SU-2026:3541-1 Security update for libssh2_org

This update for libssh2org fixes the following issues: - CVE-2025-15661: out-of-bounds heap read vulnerability in the sftpsymlink function in src/sftp.c bsc1268546. - CVE-2026-7598: integer overflow in function userauthpassword of file src/userauth.c bsc1263890. - CVE-2026-58050: heap buffer...

ROS-20260810-73-0029

The vulnerability in libssh2 is related to integer overflow. Exploitation of this vulnerability can be carried out remotely...

ROS-20260810-73-0034

The vulnerability of the publickeyresponsesuccess function in the libssh2 library is related to integer overflow. Exploiting this vulnerability could allow a malicious actor to cause service failures or execute arbitrary code...

ROS-20260810-73-0033

The vulnerability of the libssh2publickeylistFetch function in the libssh2 library is related to the use of uninitialized resources. Exploiting this vulnerability could allow a malicious actor to cause service failures...

Photon OS 5.0: Libssh2 PHSA-2026-5.0-92-0900

An update of the libssh2 package has been released. %NASLMINLEVEL 80900 C Tenable, Inc. The descriptive text and package checks in this plugin were extracted from VMware Security Advisory PHSA-2026-5.0-92-0900. The text itself is copyright C VMware, Inc. include'compat.inc'; if description...

ROS-20260810-73-0032

The vulnerability in libssh2 is related to reading beyond the buffer boundaries in memory. Exploiting this vulnerability can allow an attacker to cause a service failure...

ROS-20260810-73-0030

The vulnerability in libssh2 relates to the execution of a loop with an unreachable exit condition. Exploiting this vulnerability could allow an attacker to cause a service failure...

ROS-20260810-73-0031

The vulnerability of the ssh2transportread function in the libssh2 library is related to buffer overflows due to integer overflows. Exploiting this vulnerability could allow a remote attacker to execute arbitrary code using specially created SSH packets...

Photon OS 5.0: Libssh2 PHSA-2026-5.0-92-0912

An update of the libssh2 package has been released. %NASLMINLEVEL 80900 C Tenable, Inc. The descriptive text and package checks in this plugin were extracted from VMware Security Advisory PHSA-2026-5.0-92-0912. The text itself is copyright C VMware, Inc. include'compat.inc'; if description...