# CVE-2023-6918: libssh: libssh is a library which implements the SSH protocol CVE-2023-6918 is fixed in 5 products on 1 platform, first by DEBIAN-CVE-2023-6918, released December 19, 2023. It is not reported as exploited. Patch Radar priority: Routine. - Web page: https://patchblox.com/security/cve/CVE-2023-6918 - Priority: Routine - CVSS: 5.3 (Low) - EPSS: 0.0141 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Dec 18, 2023 ## Description libssh is a library which implements the SSH protocol. It can be used to implement client and server applications. Security Fix(es): * libssh: ProxyCommand/ProxyJump features allow injection of malicious code through hostname (CVE-2023-6004) * libssh: Missing checks for return values for digests (CVE-2023-6918) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.10 Release Notes linked from the References section. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | libssh Debian 12.15 (bookworm) | 0.10.6-0+deb12u1 | [DEBIAN-CVE-2023-6918](https://patchblox.com/security/data/fix/linux/debian-cve-2023-6918.md) | Dec 19, 2023 | | Linux | libssh Debian 13.5 (trixie) | 0.10.6-1 | [DEBIAN-CVE-2023-6918](https://patchblox.com/security/data/fix/linux/debian-cve-2023-6918.md) | Dec 19, 2023 | | Linux | libssh Debian 14 | 0.10.6-1 | [DEBIAN-CVE-2023-6918](https://patchblox.com/security/data/fix/linux/debian-cve-2023-6918.md) | Dec 19, 2023 | | Linux | libssh RHEL 8 | 0:0.9.6-14.el8 | [RHSA-2024:3233](https://patchblox.com/security/data/fix/linux/rhsa-2024-3233.md) | May 22, 2024 | | Linux | libssh RHEL 9 | 0:0.10.4-13.el9 | [RHSA-2024:2504](https://patchblox.com/security/data/fix/linux/rhsa-2024-2504.md) | Apr 30, 2024 | | Linux | libssh almalinux 8 | 0.9.6-14.el8 | [ALSA-2024:3233](https://patchblox.com/security/data/fix/linux/alsa-2024-3233.md) | May 22, 2024 | | Linux | libssh almalinux 9 | 0.10.4-13.el9 | [ALSA-2024:2504](https://patchblox.com/security/data/fix/linux/alsa-2024-2504.md) | Apr 30, 2024 | | Linux | libssh ol 8 | 0:0.9.6-14.el8 | [ELSA-2024-3233](https://patchblox.com/security/data/fix/linux/elsa-2024-3233.md) | May 23, 2024 | | Linux | libssh ol 9 | 0:0.10.4-13.el9 | [ELSA-2024-2504](https://patchblox.com/security/data/fix/linux/elsa-2024-2504.md) | May 2, 2024 | | Linux | libssh rocky 8 | 0:0.9.6-14.el8 | [RLSA-2024:3233](https://patchblox.com/security/data/fix/linux/rlsa-2024-3233.md) | Jun 14, 2024 | | Linux | libssh rocky 9 | 0:0.10.4-13.el9 | [RLSA-2024:2504](https://patchblox.com/security/data/fix/linux/rlsa-2024-2504.md) | May 7, 2025 | | Linux | libssh-4 Ubuntu 18.04.6 LTS (bionic) | 0.8.0~20170825.94fa1e38-1ubuntu0.7+esm3 | [libssh-4 0.8.0~20170825.94fa1e38-1ubuntu0.7+esm3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libssh-4-0.8.0-20170825.94fa1e38-1ubuntu0.7-esm3.md) | Jan 3, 2024 | | Linux | libssh-4 Ubuntu 20.04 LTS (focal) | 0.9.3-2ubuntu2.5 | [libssh-4 0.9.3-2ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libssh-4-0.9.3-2ubuntu2.5.md) | Jan 3, 2024 | | Linux | libssh-4 Ubuntu 22.04.1 LTS (jammy) | 0.9.6-2ubuntu0.22.04.3 | [libssh-4 0.9.6-2ubuntu0.22.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libssh-4-0.9.6-2ubuntu0.22.04.3.md) | Jan 3, 2024 | | Linux | libssh-config RHEL 8 | 0:0.9.6-14.el8 | [RHSA-2024:3233](https://patchblox.com/security/data/fix/linux/rhsa-2024-3233.md) | May 22, 2024 | | Linux | libssh-config RHEL 9 | 0:0.10.4-13.el9 | [RHSA-2024:2504](https://patchblox.com/security/data/fix/linux/rhsa-2024-2504.md) | Apr 30, 2024 | | Linux | libssh-config almalinux 8 | 0.9.6-14.el8 | [ALSA-2024:3233](https://patchblox.com/security/data/fix/linux/alsa-2024-3233.md) | May 22, 2024 | | Linux | libssh-config almalinux 9 | 0.10.4-13.el9 | [ALSA-2024:2504](https://patchblox.com/security/data/fix/linux/alsa-2024-2504.md) | Apr 30, 2024 | | Linux | libssh-config ol 8 | 0:0.9.6-14.el8 | [ELSA-2024-3233](https://patchblox.com/security/data/fix/linux/elsa-2024-3233.md) | May 23, 2024 | | Linux | libssh-config ol 9 | 0:0.10.4-13.el9 | [ELSA-2024-2504](https://patchblox.com/security/data/fix/linux/elsa-2024-2504.md) | May 2, 2024 | | Linux | libssh-devel RHEL 8 | 0:0.9.6-14.el8 | [RHSA-2024:3233](https://patchblox.com/security/data/fix/linux/rhsa-2024-3233.md) | May 22, 2024 | | Linux | libssh-devel RHEL 9 | 0:0.10.4-13.el9 | [RHSA-2024:2504](https://patchblox.com/security/data/fix/linux/rhsa-2024-2504.md) | Apr 30, 2024 | | Linux | libssh-devel almalinux 8 | 0.9.6-14.el8 | [ALSA-2024:3233](https://patchblox.com/security/data/fix/linux/alsa-2024-3233.md) | May 22, 2024 | | Linux | libssh-devel almalinux 9 | 0.10.4-13.el9 | [ALSA-2024:2504](https://patchblox.com/security/data/fix/linux/alsa-2024-2504.md) | Apr 30, 2024 | | Linux | libssh-devel ol 8 | 0:0.9.6-14.el8 | [ELSA-2024-3233](https://patchblox.com/security/data/fix/linux/elsa-2024-3233.md) | May 23, 2024 | | Linux | libssh-devel ol 9 | 0:0.10.4-13.el9 | [ELSA-2024-2504](https://patchblox.com/security/data/fix/linux/elsa-2024-2504.md) | May 2, 2024 | | Linux | libssh-gcrypt-4 Ubuntu 18.04.6 LTS (bionic) | 0.8.0~20170825.94fa1e38-1ubuntu0.7+esm3 | [libssh-gcrypt-4 0.8.0~20170825.94fa1e38-1ubuntu0.7+esm3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libssh-gcrypt-4-0.8.0-20170825.94fa1e38-1ubuntu0.7-esm3.md) | Jan 3, 2024 | | Linux | libssh-gcrypt-4 Ubuntu 20.04 LTS (focal) | 0.9.3-2ubuntu2.5 | [libssh-gcrypt-4 0.9.3-2ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libssh-gcrypt-4-0.9.3-2ubuntu2.5.md) | Jan 3, 2024 | | Linux | libssh-gcrypt-4 Ubuntu 22.04.1 LTS (jammy) | 0.9.6-2ubuntu0.22.04.3 | [libssh-gcrypt-4 0.9.6-2ubuntu0.22.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libssh-gcrypt-4-0.9.6-2ubuntu0.22.04.3.md) | Jan 3, 2024 | --- Data as of 2026-11-08T00:53:09Z UTC. 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