# Critical Photon OS Security Update

## Summary

Advisory Id     : PHSA-2026-5.0-91-0946

Type            : Security

Severity        : ['Critical', 'Important']

Issue date      : 2026-08-06

Affected Release: 5.0-91

## Details

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

### Critical

perl - ['[CVE-2026-13221](https://nvd.nist.gov/vuln/detail/CVE-2026-13221)']

### Important

perl - ['[CVE-2026-57432](https://nvd.nist.gov/vuln/detail/CVE-2026-57432)']

libxml2 - ['[CVE-2026-11979](https://nvd.nist.gov/vuln/detail/CVE-2026-11979)']

## Solution

Update the affected packages (tdnf update package)

## Updated Packages Information

perl-5.42.2-3.ph5.x86_64.rpm | size : 17M , sha256 : 8cbe39eeadce8383dc9cfb31b564d6217d053a2fa11a1f00239bf39f831cdfc4 , build time : Thu, 06 Aug 2026 12:57:43 UTC

libxml2-2.15.3-2.ph5.x86_64.rpm | size : 568K , sha256 : 1833d2baac323c8b8443a221e1e36e87ab7ac751400d1981049f2fbdb1612645 , build time : Thu, 06 Aug 2026 13:01:26 UTC

libxml2-devel-2.15.3-2.ph5.x86_64.rpm | size : 84K , sha256 : 90476cbd0094daf5435d5ad7f1457ff92795ce33998b562bbe623ece4dcaacf2 , build time : Thu, 06 Aug 2026 13:01:26 UTC