CVE-2026-0964 Libssh: improper sanitation of paths received from scp servers

A malicious SCP server can send unexpected paths that could make the client application override local files outside of working directory. This could be misused to create malicious executable or configuration files and make the user execute them under specific consequences. This is the same issue...

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...

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...

CVE-2026-0966

CVE-2026-0966 affects the libssh library with a buffer underflow in ssh_get_hexa() on invalid input. The issue occurs because ssh_get_hexa() is used by ssh_get_fingerprint_hash() and the deprecated ssh_print_hexa(), and also in gssapi logging. Remote triggering is possible when GSSAPI authenticat...

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...

CVE-2026-0964

CVE-2026-0964 is reported as a path-traversal vulnerability in libssh’s SCP handling (ssh_scp_pull_request), allowing a malicious SCP server to reference paths outside the working directory and potentially overwrite local files. The issue is documented across multiple advisories (ALAS2023-2026-14...

OESA-2026-1656 libssh security update

The ssh library was designed to be used by programmers needing a working SSH implementation by the mean of a library. The complete control of the client is made by the programmer. With libssh, you can remotely execute programs, transfer files, use a secure and transparent tunnel for your remote...

OESA-2026-1655 libssh security update

The ssh library was designed to be used by programmers needing a working SSH implementation by the mean of a library. The complete control of the client is made by the programmer. With libssh, you can remotely execute programs, transfer files, use a secure and transparent tunnel for your remote...

OESA-2026-1654 libssh security update

The ssh library was designed to be used by programmers needing a working SSH implementation by the mean of a library. The complete control of the client is made by the programmer. With libssh, you can remotely execute programs, transfer files, use a secure and transparent tunnel for your remote...

OESA-2026-1652 libssh security update

The ssh library was designed to be used by programmers needing a working SSH implementation by the mean of a library. The complete control of the client is made by the programmer. With libssh, you can remotely execute programs, transfer files, use a secure and transparent tunnel for your remote...

CLSA-2026-1774007374 libssh: Fix of CVE-2026-3731

CVE-2026-3731: Validate idx and add bounds checks; prevent out-of-bounds read in SFTP Extension Name Handler via manipulated idx...

Security update for libssh

This update for libssh fixes the following issues: CVE-2026-3731: Denial of Service via out-of-bounds read in SFTP extension name handler bsc1259377. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate or "zypper patch". Alternative...

SUSE-SU-2026:0936-1 Security update for libssh

This update for libssh fixes the following issues: - CVE-2026-3731: Denial of Service via out-of-bounds read in SFTP extension name handler bsc1259377...

CLSA-2026-1773932358 libssh: Fix of CVE-2026-3731

Fix CVE-2026-3731: out-of-bounds read in SFTP extension name handler...

CLSA-2026-1773931583 libssh: Fix of CVE-2026-3731

CVE-2026-3731: fix off-by-one in sftpextensionsgetname/sftpextensionsgetdata...

CLSA-2026-1773930993 libssh: Fix of CVE-2026-3731

CVE-2026-3731: fix off-by-one in sftpextensionsgetname/sftpextensionsgetdata...

SUSE-SU-2026:20767-1 Security update for libssh

This update for libssh fixes the following issue: - CVE-2026-3731: Denial of Service via out-of-bounds read in SFTP extension name handler bsc1259377...

CLSA-2026-1773830791 libssh: Fix of CVE-2026-3731

CVE-2026-3731: fix out-of-bounds read in sftpextensionsgetname and sftpextensionsgetdata when idx equals the extension count...

Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.10 : libssh vulnerability (USN-8093-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.10 host has packages installed that are affected by a vulnerability as referenced in the USN-8093-1 advisory. It was discovered that libssh incorrectly performed bounds checking when processing SFTP extensions. If a...

Ubuntu: Security Advisory (USN-8093-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...