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...

EUVD-2025-209270

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

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

CVE-2025-14821 concerns the libssh library. Multiple connected records describe a flaw where an insecure Windows default configuration causes libssh to load configuration files from C:\etc, which can be created or modified by unprivileged local users. This enables local man-in-the-middle attacks,...

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...

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

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-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...

PT-2026-30900

Name of the Vulnerable Software and Affected Versions libssh affected versions not specified Description A flaw exists in libssh that allows local man-in-the-middle attacks, security downgrades of SSH Secure Shell connections, and manipulation of trusted host information. This poses a risk to the...

CVE-2026-3731 affecting package libssh for versions less than 0.10.6-6

CVE-2026-3731 affecting package libssh for versions less than 0.10.6-6. A patched version of the package is available...

Libssh: libssh: denial of service due to malformed sftp message

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Libssh: improper sanitation of paths received from scp servers

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Libssh: buffer underflow in ssh_get_hexa() on invalid input

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Libssh: libssh: denial of service via inefficient regular expression processing

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Libssh: libssh: denial of service via improper configuration file handling

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Amazon Linux 2023 : libssh, libssh-config, libssh-devel (ALAS2023-2026-1472)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1472 advisory. libssh: SCP Protocol Path Traversal in sshscppullrequest CVE-2026-0964 libssh: Specially crafted patterns could cause DoS CVE-2026-0967 Tenable has extracted the preceding description block...

Medium: libssh

Issue Overview: libssh: SCP Protocol Path Traversal in sshscppullrequest CVE-2026-0964 libssh: Specially crafted patterns could cause DoS CVE-2026-0967 Affected Packages: libssh Issue Correction: Run dnf update libssh --releasever 2023.10.20260325 or dnf update --advisory ALAS2023-2026-1472...

EUVD-2026-16328

A flaw was found in libssh where it can attempt to open arbitrary files during configuration parsing. A local attacker can exploit this by providing a malicious configuration file or when the system is misconfigured. This vulnerability could lead to a Denial of Service DoS by causing the system t...

EUVD-2026-16332

A flaw was found in libssh. A remote attacker, by controlling client configuration files or knownhosts files, could craft specific hostnames that when processed by the matchpattern function can lead to inefficient regular expression backtracking. This can cause timeouts and resource exhaustion,...