RHEL 8 : libssh (RHSA-2026:24349)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:24349 advisory. libssh is a library which implements the SSH protocol. It can be used to implement client and server applications. Security Fixes: libssh: Incorrect...

libssh Privilege Escalation

The vulnerability of the libssh library is related to an uncontrolled element in the search process. Exploiting this vulnerability can allow an attacker to enhance their privileges...

libssh: libssh: Denial of Service via zero-length input in ssh_get_hexa()

A flaw was found in libssh. The API function sshgethexa is vulnerable to a denial of service when processing zero-length input. This can be exploited remotely by an attacker during GSSAPI Generic Security Service Application Program Interface authentication if the server's logging verbosity is se...

Using Vulnerable Libssh Version < 0.12 in Sentry

Created Date Apr 20, 2026 4:12:24 AM...

SUSE CVE-2025-14821

A flaw was found in libssh. This vulnerability allows local man-in-the-middle attacks, security downgrades of SSH Secure Shell connections, and manipulation of trusted host information, posing a significant risk to the confidentiality, integrity, and availability of SSH communications via an...

libssh External Path Management DoS

The vulnerability of the libssh library is related to improper external management of file names or file paths. Exploiting this vulnerability can allow an attacker to cause a service failure...

libssh Regular Expression DoS

The vulnerability of the libssh library is related to the use of a regular expression with inefficient computational complexity. Exploiting this vulnerability could allow an attacker to cause a service failure...

ROS-20260410-73-0011

Vulnerability in libssh related to the use of regular expression with inefficient computational complexity. Exploitation of the vulnerability could allow an attacker acting remotely to cause a denial of service...

ROS-20260410-73-0012

Vulnerability in libssh related to null pointer dereferencing. Exploitation of the vulnerability could allow an attacker to cause a denial of service...

ROS-20260410-73-0010

Vulnerability in libssh related to initial buffer boundary violation. Exploitation of the vulnerability could allow an attacker to cause a denial of service...

libssh: libssh: Denial of Service via out-of-bounds read in SFTP extension name handler

A flaw was found in libssh. A remote attacker could trigger an out-of-bounds read vulnerability in the SFTP Extension Name Handler by manipulating the idx argument in the sftpextensionsgetname or sftpextensionsgetdata functions. This could lead to a Denial of Service DoS, making the affected syst...

CVE-2025-14821 Libssh: libssh: insecure default configuration leads to local man-in-the-middle attacks on windows

A flaw was found in libssh. This vulnerability allows local man-in-the-middle attacks, security downgrades of SSH Secure Shell connections, and manipulation of trusted host information, posing a significant risk to the confidentiality, integrity, and availability of SSH communications via an...

CVE-2025-14821 Libssh: libssh: insecure default configuration leads to local man-in-the-middle attacks on windows

A flaw was found in libssh. This vulnerability allows local man-in-the-middle attacks, security downgrades of SSH Secure Shell connections, and manipulation of trusted host information, posing a significant risk to the confidentiality, integrity, and availability of SSH communications via an...

CVE-2026-0966 Libssh: libssh: denial of service via zero-length input in ssh_get_hexa()

A flaw was found in libssh. The API function sshgethexa is vulnerable to a denial of service when processing zero-length input. This can be exploited remotely by an attacker during GSSAPI Generic Security Service Application Program Interface authentication if the server's logging verbosity is se...

Advisory ROSA-SA-2026-3210

software: libssh 0.9.8 OS: ROSA-CHROME unaffected versions = libssh-0.9.8-3 affected versions libssh-0.9.8-3 CVE-ID: CVE-2025-5318 BDU-ID: 2025-09008 CVE-Crit: MEDIUM CVE-DESC.: A vulnerability in the sftphandle function of the LibSSH library involves reading data outside of buffer boundaries in...

EUVD-2026-10234

A weakness has been identified in libssh up to 0.11.3. The impacted element is the function sftpextensionsgetname/sftpextensionsgetdata of the file src/sftp.c of the component SFTP Extension Name Handler. Executing a manipulation of the argument idx can lead to out-of-bounds read. The attack may ...

CVE-2026-3731

A weakness has been identified in libssh up to 0.11.3. The impacted element is the function sftpextensionsgetname/sftpextensionsgetdata of the file src/sftp.c of the component SFTP Extension Name Handler. Executing a manipulation of the argument idx can lead to out-of-bounds read. The attack may ...

Advisory ROSA-SA-2026-3172

Software: libssh 0.9.6 OS: ROSA Virtualization 3.0 unaffected versions = libssh-0.9.6-16.rv30 affected versions libssh-0.9.6-16.rv30 CVE-ID: CVE-2025-5372 BDU-ID: 2025-07644 CVE-Crit: MEDIUM CVE-DESC.: A vulnerability in the libssh library's sshkdf function is related to incorrect code generation...

CVE-2025-14821

A flaw was found in libssh. This vulnerability allows local man-in-the-middle attacks, security downgrades of SSH Secure Shell connections, and manipulation of trusted host information, posing a significant risk to the confidentiality, integrity, and availability of SSH communications via an...

libssh security vulnerability

libssh is a C-language development package from the libssh organization that allows access to SSH services. It can execute remote commands, transfer files, and provide a secure transmission channel for remote programs. libssh has security vulnerabilities, which stem from inefficient regular...