# DSA-5409-1: libssh security update

DSA-5409-1, released May 23, 2023, fixes 1 CVE in libssh (version 0.9.7-0+deb11u1). None of them is reported as exploited. Patch Radar priority: Routine. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/linux/dsa-5409-1
- Platform: Linux
- Released: May 23, 2023
- Priority: Routine (Closes CVE-2023-1667)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://security-tracker.debian.org/tracker/CVE-2023-1667

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libssh](https://patchblox.com/security/data/product/linux/libssh.md) | Debian 11.6 (bullseye) | 0.9.7-0+deb11u1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2023-1667](https://patchblox.com/security/data/cve/CVE-2023-1667.md) | Routine | libssh-config: libssh is a library which implements the SSH protocol | 6.5 | 0.0131 |  |

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Data as of 2026-11-07T06:34:28Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo