libssh: out-of-bounds read in sftp_handle()

A flaw was found in the libssh library in versions less than 0.11.2. An out-of-bounds read can be triggered in the sftphandle function due to an incorrect comparison check that permits the function to access memory beyond the valid handle list and to return an invalid pointer, which is used in...

Moderate: Red Hat Security Advisory: libssh security update

An update for libssh is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

Moderate: Red Hat Security Advisory: libssh security update

An update for libssh is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

RHEL 10 : libssh (RHSA-2025:21013)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2025:21013 advisory. libssh is a library which implements the SSH protocol. It can be used to implement client and server applications. Security Fixes: libssh:...

Amazon Linux 2023 : libssh, libssh-config, libssh-devel (ALAS2023-2025-1264)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2025-1264 advisory. NULL Pointer Dereference vulnerability in the session ID calculation logic of the libssh library. The flaw arises from improper handling of allocation errors during cryptographic operations in...

RHEL 9 : libssh (RHSA-2025:20943)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2025:20943 advisory. libssh is a library which implements the SSH protocol. It can be used to implement client and server applications. Security Fixes: libssh:...

Moderate: libssh security update

libssh is a library which implements the SSH protocol. It can be used to implement client and server applications. Security Fixes: libssh: out-of-bounds read in sftphandle CVE-2025-5318 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and other...

ALSA-2025:20943 Moderate: libssh security update

libssh is a library which implements the SSH protocol. It can be used to implement client and server applications. Security Fixes: libssh: out-of-bounds read in sftphandle CVE-2025-5318 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and other...

ALSA-2025:21013 Moderate: libssh security update

libssh is a library which implements the SSH protocol. It can be used to implement client and server applications. Security Fixes: libssh: out-of-bounds read in sftphandle CVE-2025-5318 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and other...

Advisory ROSA-SA-2025-3077

Software: libssh 0.9.6 OS: ROSA Virtualization 3.0 unaffected versions = libssh-0.9.6-15.rv30 affected versions libssh-0.9.6-15.rv30 CVE-ID: CVE-2025-5318 BDU-ID: CVE-Crit: MEDIUM CVE-DESC.: A vulnerability in the sftphandle function of the LibSSH library involves reading data outside of buffer...

Medium: libssh

Issue Overview: NULL Pointer Dereference vulnerability in the session ID calculation logic of the libssh library. The flaw arises from improper handling of allocation errors during cryptographic operations in the key exchange KEX phase. If a memory allocation fails, the resulting NULL pointer may...

Ubuntu: Security Advisory (USN-7849-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 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...

Moderate: Red Hat Security Advisory: OpenShift Container Platform 4.19.18 bug fix and security update

Red Hat OpenShift Container Platform release 4.19.18 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.19. Red Hat Product Security has rated this update as having a...

CLSA-2025-1762361016 libssh: Fix of CVE-2025-5987

CVE-2025-5987: fix missing error detection in ChaCha20 initialization that could leave cipher context partially uninitialized...

Moderate: Red Hat Security Advisory: OpenShift Container Platform 4.17.43 bug fix and security update

Red Hat OpenShift Container Platform release 4.17.43 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.17. Red Hat Product Security has rated this update as having a...

Moderate: Red Hat Security Advisory: OpenShift Container Platform 4.20.2 bug fix and security update

Red Hat OpenShift Container Platform release 4.20.2 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.20. Red Hat Product Security has rated this update as having a...

Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.04 / 25.10 : libssh vulnerability (USN-7849-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.04 / 25.10 host has packages installed that are affected by a vulnerability as referenced in the USN-7849-1 advisory. Philippe Antoine discovered that libssh did not properly manage memory when calculating a session ...

RHSA-2025:19472 Red Hat Security Advisory: libssh security update

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RHSA-2025:19470 Red Hat Security Advisory: libssh security update

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USN-7849-1: libssh vulnerability

Philippe Antoine discovered that libssh did not properly manage memory when calculating a session id during the key exchange process. An attacker could possibly use this issue to cause libssh to crash, resulting in a denial of service...