# RHSA-2026:0427: libssh security update

RHSA-2026:0427, released April 26, 2025, fixes 1 CVE in libssh (version 0.11.1-4.el10_0.1). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-0427
- Platform: Linux
- Released: Apr 26, 2025
- Priority: High (Closes CVE-2025-5987, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:0427

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libssh](https://patchblox.com/security/data/product/linux/libssh.md) | RHEL 10 | 0.11.1-4.el10_0.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-5987](https://patchblox.com/security/data/cve/CVE-2025-5987.md) | High | Libssh: invalid return code for chacha20 poly1305 with openssl backend | 8.1 | 0.0173 |  |

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Data as of 2026-11-07T12:40:37Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo