# Important Photon OS Security Update

## Summary

Advisory Id     : PHSA-2026-5.0-91-1002

Type            : Security

Severity        : ['Important', 'Moderate', 'Low']

Issue date      : 2026-09-17

Affected Release: 5.0-91

## Details

Updates of ['libxml2'] packages of Photon OS have been released.
## Affected Packages

### Important

libxml2 - ['[CVE-2026-86142](https://nvd.nist.gov/vuln/detail/CVE-2026-86142)', '[CVE-2026-86140](https://nvd.nist.gov/vuln/detail/CVE-2026-86140)', '[CVE-2026-86144](https://nvd.nist.gov/vuln/detail/CVE-2026-86144)', '[CVE-2026-86139](https://nvd.nist.gov/vuln/detail/CVE-2026-86139)', '[CVE-2026-86138](https://nvd.nist.gov/vuln/detail/CVE-2026-86138)', '[CVE-2026-86143](https://nvd.nist.gov/vuln/detail/CVE-2026-86143)']

### Moderate

libxml2 - ['[CVE-2026-86137](https://nvd.nist.gov/vuln/detail/CVE-2026-86137)']

### Low

libxml2 - ['[CVE-2026-86141](https://nvd.nist.gov/vuln/detail/CVE-2026-86141)']

## Solution

Update the affected packages (tdnf update package)

## Updated Packages Information

libxml2-2.15.4-1.ph5.x86_64.rpm | size : 568K , sha256 : 90728608881595ceac6a7d6db22cbc59ad33733154e9ce90fd8c6cda46ad183c , build time : Thu, 17 Sep 2026 12:45:16 UTC

libxml2-devel-2.15.4-1.ph5.x86_64.rpm | size : 84K , sha256 : 4a85dc314c8cc773ee1b0263505173444f2bedddf98a2b10085fe9b44d5adc45 , build time : Thu, 17 Sep 2026 12:45:16 UTC