# Critical Photon OS Security Update

## Summary

Advisory Id     : PHSA-2026-5.0-91-0985

Type            : Security

Severity        : ['Critical', 'Important']

Issue date      : 2026-09-04

Affected Release: 5.0-91

## Details

Updates of ['libssh2'] packages of Photon OS have been released.
## Affected Packages

### Critical

libssh2 - ['[CVE-2026-7598](https://nvd.nist.gov/vuln/detail/CVE-2026-7598)']

### Important

libssh2 - ['[CVE-2026-58050](https://nvd.nist.gov/vuln/detail/CVE-2026-58050)', '[CVE-2026-66034](https://nvd.nist.gov/vuln/detail/CVE-2026-66034)', '[CVE-2026-66032](https://nvd.nist.gov/vuln/detail/CVE-2026-66032)', '[CVE-2026-66035](https://nvd.nist.gov/vuln/detail/CVE-2026-66035)', '[CVE-2026-66033](https://nvd.nist.gov/vuln/detail/CVE-2026-66033)']

## Solution

Update the affected packages (tdnf update package)

## Updated Packages Information

libssh2-1.11.1-6.ph5.x86_64.rpm | size : 132K , sha256 : eda9624dd3da23606238fd5e7da0a70348011eb6d3a9c1496a903037caa11fb3 , build time : Fri, 04 Sep 2026 07:46:23 UTC

libssh2-devel-1.11.1-6.ph5.x86_64.rpm | size : 192K , sha256 : 4916382ce6327d63d6e183aa2212c8a142374752cae59142be25e981dfa7129f , build time : Fri, 04 Sep 2026 07:46:23 UTC

libssh2-1.11.0-4.2.ph5.x86_64.rpm | size : 124K , sha256 : a3547b55cf307ac18c8140abc095ccd1eb9837f61873a131363bee34c457bf6c , build time : Fri, 04 Sep 2026 07:41:33 UTC

libssh2-devel-1.11.0-4.2.ph5.x86_64.rpm | size : 148K , sha256 : d459c32dc91a46516372e497e8f8042992d2be94165ac6f71673eda66e535a42 , build time : Fri, 04 Sep 2026 07:41:33 UTC