# CVE-2026-0965: Libssh: libssh: denial of service via improper configuration file handling CVE-2026-0965 is fixed in 7 products on 1 platform, first by RHSA-2026:18160, released February 10, 2026. It is not reported as exploited. Patch Radar priority: Routine. - Web page: https://patchblox.com/security/cve/CVE-2026-0965 - Priority: Routine - CVSS: 6.5 (Low) - EPSS: 0.0016 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Feb 10, 2026 - Weakness: External Control of File Name or Path - Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-0965 ## Description 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 to try and access dangerous files, such as block devices or large system files, which can disrupt normal operations. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | libssh Debian 12.15 (bookworm) | 0.10.6-0+deb12u3 | [DEBIAN-CVE-2026-0965](https://patchblox.com/security/data/fix/linux/debian-cve-2026-0965.md) | Mar 26, 2026 | | Linux | libssh Debian 13.5 (trixie) | 0.11.5-0+deb13u1 | [DEBIAN-CVE-2026-0965](https://patchblox.com/security/data/fix/linux/debian-cve-2026-0965.md) | Mar 26, 2026 | | Linux | libssh Debian 14 | 0.12.0-1 | [DEBIAN-CVE-2026-0965](https://patchblox.com/security/data/fix/linux/debian-cve-2026-0965.md) | Mar 26, 2026 | | Linux | libssh RHEL 10 | 0.12.0-2.el10 | [RHSA-2026:18160](https://patchblox.com/security/data/fix/linux/rhsa-2026-18160.md) | Feb 10, 2026 | | Linux | libssh RHEL 9 | 0:0.10.4-18.el9 | [RHSA-2026:18683](https://patchblox.com/security/data/fix/linux/rhsa-2026-18683.md) | May 27, 2026 | | Linux | libssh almalinux 10 | 0.12.0-2.el10 | [ALSA-2026:18160](https://patchblox.com/security/data/fix/linux/alsa-2026-18160.md) | May 19, 2026 | | Linux | libssh almalinux 9 | 0.10.4-18.el9 | [ALSA-2026:18683](https://patchblox.com/security/data/fix/linux/alsa-2026-18683.md) | May 19, 2026 | | Linux | libssh amzn 2023 | 0.10.6-1.amzn2023.0.8 | [ALAS2023-2026-1824](https://patchblox.com/security/data/fix/linux/alas2023-2026-1824.md) | Jun 8, 2026 | | Linux | libssh ol 10 | 0:0.12.0-2.el10 | [ELSA-2026-18160](https://patchblox.com/security/data/fix/linux/elsa-2026-18160.md) | Jul 8, 2026 | | Linux | libssh ol 9 | 0:0.10.4-18.el9 | [ELSA-2026-18683](https://patchblox.com/security/data/fix/linux/elsa-2026-18683.md) | Jun 12, 2026 | | Linux | libssh opensuse-leap 15.6 | 0.9.8-150600.11.9.1 | [SUSE-SU-2026:0779-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0779-1.md) | Mar 3, 2026 | | Linux | libssh rocky 10 | 0:0.12.0-2.el10 | [RLSA-2026:18160](https://patchblox.com/security/data/fix/linux/rlsa-2026-18160.md) | May 29, 2026 | | Linux | libssh rocky 9 | 0:0.10.4-18.el9 | [RLSA-2026:18683](https://patchblox.com/security/data/fix/linux/rlsa-2026-18683.md) | May 28, 2026 | | Linux | libssh sles 15.7 | 0.9.8-150600.11.9.1 | [SUSE-SU-2026:0779-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0779-1.md) | Mar 3, 2026 | | Linux | libssh-4 Ubuntu 18.04.6 LTS (bionic) | 0.8.0~20170825.94fa1e38-1ubuntu0.7+esm6 | [libssh-4 0.8.0~20170825.94fa1e38-1ubuntu0.7+esm6](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libssh-4-0.8.0-20170825.94fa1e38-1ubuntu0.7-esm6.md) | Mar 12, 2026 | | Linux | libssh-4 Ubuntu 20.04 LTS (focal) | 0.9.3-2ubuntu2.5+esm3 | [libssh-4 0.9.3-2ubuntu2.5+esm3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libssh-4-0.9.3-2ubuntu2.5-esm3.md) | Mar 12, 2026 | | Linux | libssh-4 Ubuntu 22.04.1 LTS (jammy) | 0.9.6-2ubuntu0.22.04.6 | [libssh-4 0.9.6-2ubuntu0.22.04.6](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libssh-4-0.9.6-2ubuntu0.22.04.6.md) | Mar 12, 2026 | | Linux | libssh-4 Ubuntu 24.04.5 LTS (noble) | 0.10.6-2ubuntu0.3 | [libssh-4 0.10.6-2ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libssh-4-0.10.6-2ubuntu0.3.md) | Mar 12, 2026 | | Linux | libssh-4 Ubuntu 25.10 (questing) | 0.11.2-1ubuntu0.2 | [libssh-4 0.11.2-1ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libssh-4-0.11.2-1ubuntu0.2.md) | Mar 12, 2026 | | Linux | libssh-config RHEL 9 | 0:0.10.4-18.el9 | [RHSA-2026:18683](https://patchblox.com/security/data/fix/linux/rhsa-2026-18683.md) | May 27, 2026 | | Linux | libssh-config almalinux 10 | 0.12.0-2.el10 | [ALSA-2026:18160](https://patchblox.com/security/data/fix/linux/alsa-2026-18160.md) | May 19, 2026 | | Linux | libssh-config almalinux 9 | 0.10.4-18.el9 | [ALSA-2026:18683](https://patchblox.com/security/data/fix/linux/alsa-2026-18683.md) | May 19, 2026 | | Linux | libssh-config amzn 2023 | 0.10.6-1.amzn2023.0.8 | [ALAS2023-2026-1824](https://patchblox.com/security/data/fix/linux/alas2023-2026-1824.md) | Jun 8, 2026 | | Linux | libssh-config ol 10 | 0:0.12.0-2.el10 | [ELSA-2026-18160](https://patchblox.com/security/data/fix/linux/elsa-2026-18160.md) | Jul 8, 2026 | | Linux | libssh-config ol 9 | 0:0.10.4-18.el9 | [ELSA-2026-18683](https://patchblox.com/security/data/fix/linux/elsa-2026-18683.md) | Jun 12, 2026 | | Linux | libssh-debuginfo amzn 2023 | 0.10.6-1.amzn2023.0.8 | [ALAS2023-2026-1824](https://patchblox.com/security/data/fix/linux/alas2023-2026-1824.md) | Jun 8, 2026 | | Linux | libssh-debugsource amzn 2023 | 0.10.6-1.amzn2023.0.8 | [ALAS2023-2026-1824](https://patchblox.com/security/data/fix/linux/alas2023-2026-1824.md) | Jun 8, 2026 | | Linux | libssh-devel RHEL 9 | 0:0.10.4-18.el9 | [RHSA-2026:18683](https://patchblox.com/security/data/fix/linux/rhsa-2026-18683.md) | May 27, 2026 | | Linux | libssh-devel almalinux 10 | 0.12.0-2.el10 | [ALSA-2026:18160](https://patchblox.com/security/data/fix/linux/alsa-2026-18160.md) | May 19, 2026 | | Linux | libssh-devel almalinux 9 | 0.10.4-18.el9 | [ALSA-2026:18683](https://patchblox.com/security/data/fix/linux/alsa-2026-18683.md) | May 19, 2026 | | Linux | libssh-devel amzn 2023 | 0.10.6-1.amzn2023.0.8 | [ALAS2023-2026-1824](https://patchblox.com/security/data/fix/linux/alas2023-2026-1824.md) | Jun 8, 2026 | | Linux | libssh-devel ol 10 | 0:0.12.0-2.el10 | [ELSA-2026-18160](https://patchblox.com/security/data/fix/linux/elsa-2026-18160.md) | Jul 8, 2026 | | Linux | libssh-devel ol 9 | 0:0.10.4-18.el9 | [ELSA-2026-18683](https://patchblox.com/security/data/fix/linux/elsa-2026-18683.md) | Jun 12, 2026 | | Linux | libssh-gcrypt-4 Ubuntu 18.04.6 LTS (bionic) | 0.8.0~20170825.94fa1e38-1ubuntu0.7+esm6 | [libssh-gcrypt-4 0.8.0~20170825.94fa1e38-1ubuntu0.7+esm6](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libssh-gcrypt-4-0.8.0-20170825.94fa1e38-1ubuntu0.7-esm6.md) | Mar 12, 2026 | | Linux | libssh-gcrypt-4 Ubuntu 20.04 LTS (focal) | 0.9.3-2ubuntu2.5+esm3 | [libssh-gcrypt-4 0.9.3-2ubuntu2.5+esm3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libssh-gcrypt-4-0.9.3-2ubuntu2.5-esm3.md) | Mar 12, 2026 | | Linux | libssh-gcrypt-4 Ubuntu 22.04.1 LTS (jammy) | 0.9.6-2ubuntu0.22.04.6 | [libssh-gcrypt-4 0.9.6-2ubuntu0.22.04.6](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libssh-gcrypt-4-0.9.6-2ubuntu0.22.04.6.md) | Mar 12, 2026 | | Linux | libssh-gcrypt-4 Ubuntu 24.04.5 LTS (noble) | 0.10.6-2ubuntu0.3 | [libssh-gcrypt-4 0.10.6-2ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libssh-gcrypt-4-0.10.6-2ubuntu0.3.md) | Mar 12, 2026 | --- Data as of 2026-11-08T13:06:02Z UTC. 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