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...

The vulnerability of the libssh library, related to improper external management of file names or paths, allows a attacker to trigger a service failure.

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...

The vulnerability of the libssh library, which stems from the use of a regular expression with inefficient computational complexity, allows attackers to trigger a service failure.

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-20260410-73-0012

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...

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...

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...

Linux Distros Unpatched Vulnerability : CVE-2026-0967

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in libssh. A remote attacker, by controlling client configuration files or knownhosts files, could craft specific hostnames that when processed...

Linux Distros Unpatched Vulnerability : CVE-2026-0966

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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 b...

libssh 安全漏洞

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...