libssh: Incorrect Return Code Handling in ssh_kdf() in libssh

A flaw was found in libssh versions built with OpenSSL versions older than 3.0, specifically in the sshkdf function responsible for key derivation. Due to inconsistent interpretation of return values where OpenSSL uses 0 to indicate failure and libssh uses 0 for success—the function may mistakenl...

Moderate: Red Hat Security Advisory: libssh security update

An update for libssh is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.6 Telecommunications Update Service. Red Hat Product Security has rated this update as...

RHEL 8 : libssh (RHSA-2026:25911)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:25911 advisory. libssh is a library which implements the SSH protocol. It can be used to implement client and server applications. Security Fixes: libssh: Incorrect...

Updated libssh packages fix security vulnerabilities

CVE-2026-0964 Improper sanitation of paths received from SCP servers CVE-2026-0965 The libssh can attempt to read non-regular files when misconfigured, which could cause resource exhaustion or blocking. CVE-2026-0966 Providing 0-length input for the sshgethexa causes 1-byte buffer underflow on...

EulerOS Virtualization 2.13.0 : libssh (EulerOS-SA-2026-2405)

According to the versions of the libssh packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : A weakness has been identified in libssh up to 0.11.3. The impacted element is the function...

EulerOS Virtualization 2.13.1 : libssh (EulerOS-SA-2026-2376)

According to the versions of the libssh packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : A weakness has been identified in libssh up to 0.11.3. The impacted element is the function...

Updated libssh packages fix security vulnerabilities

CVE-2025-4877 Write beyond bounds in binary to base64 conversion functions CVE-2025-4878 Use of uninitialized variable in privatekeyfromfile CVE-2025-5318 Likely read beyond bounds in sftp server handle management CVE-2025-5351 Double free in functions exporting keys CVE-2025-5372 sshkdf returns ...

EulerOS 2.0 SP13 : libssh (EulerOS-SA-2026-2299)

According to the versions of the libssh packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A weakness has been identified in libssh up to 0.11.3. The impacted element is the function sftpextensionsgetname/sftpextensionsgetdata of the fil...

EulerOS 2.0 SP13 : libssh (EulerOS-SA-2026-2342)

According to the versions of the libssh packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A weakness has been identified in libssh up to 0.11.3. The impacted element is the function sftpextensionsgetname/sftpextensionsgetdata of the fil...

EulerOS 2.0 SP11 : libssh (EulerOS-SA-2026-2214)

According to the versions of the libssh packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : The API function sshgethexa is vulnerable, when 0-lenght input is provided to this function. This function is used internally in...

RHSA-2026:24349 Red Hat Security Advisory: libssh security update

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Moderate: Red Hat Security Advisory: libssh security update

An update for libssh is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability...

Medium: libssh

Issue Overview: 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...

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...

Amazon Linux 2023 : libssh, libssh-config, libssh-devel (ALAS2023-2026-1759)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1759 advisory. 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...

EulerOS Virtualization 2.13.1 : libssh (EulerOS-SA-2026-2137)

According to the versions of the libssh package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : libssh: Denial of Service via improper configuration file handlingCVE-2026-0965 libssh: Improper sanitation of paths received from S...

EulerOS Virtualization 2.13.0 : libssh (EulerOS-SA-2026-2176)

According to the versions of the libssh package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : libssh: Denial of Service via improper configuration file handlingCVE-2026-0965 libssh: Improper sanitation of paths received from S...

EulerOS Virtualization 2.10.1 : libssh (EulerOS-SA-2026-2027)

According to the versions of the libssh package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : A malicious SCP server can send unexpected paths that could make the client application override local files outside of working...

EulerOS Virtualization 2.12.0 : libssh (EulerOS-SA-2026-2105)

According to the versions of the libssh package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : A weakness has been identified in libssh up to 0.11.3. The impacted element is the function...

CVE-2026-0968 affecting package libssh for versions less than 0.10.6-8

CVE-2026-0968 affecting package libssh for versions less than 0.10.6-8. A patched version of the package is available...