# Critical Photon OS Security Update

## Summary
  
Advisory Id     : PHSA-2026-5.0-91-0825
  
Type            : Security
  
Severity        : ['Critical', 'Important', 'Moderate']
  
Issue date      : 2026-04-17
  
Affected Release: 5.0-91

## Details
  
Updates of ['libarchive', 'protobuf'] packages of Photon OS have been released.
## Affected Packages

### Critical
  
libarchive - ['[CVE-2026-5121](https://nvd.nist.gov/vuln/detail/CVE-2026-5121)']

### Important
  
libarchive - ['[CVE-2026-4424](https://nvd.nist.gov/vuln/detail/CVE-2026-4424)', '[CVE-2026-4111](https://nvd.nist.gov/vuln/detail/CVE-2026-4111)']
  
protobuf - ['[CVE-2026-0994](https://nvd.nist.gov/vuln/detail/CVE-2026-0994)']

### Moderate
  
libarchive - ['[CVE-2026-4426](https://nvd.nist.gov/vuln/detail/CVE-2026-4426)', '[CVE-2026-5745](https://nvd.nist.gov/vuln/detail/CVE-2026-5745)']

## Solution
  
Update the affected packages (tdnf update package)

## Updated Packages Information
  
libarchive-3.8.7-1.ph5.x86_64.rpm | size : 400K , sha256 : 321868aa09dcca7a4a2728c4c7e5bdde04206ae8815f07db6ee47c32c9bec9c3 , build time : Fri, 17 Apr 2026 00:28:20 UTC
  
libarchive-devel-3.8.7-1.ph5.x86_64.rpm | size : 172K , sha256 : 4708eac939db4966b85830b0d6102677eb9b3ec9ffebd4980911d68571b4818f , build time : Fri, 17 Apr 2026 00:28:20 UTC
  
protobuf-3.23.3-5.2.ph5.x86_64.rpm | size : 2.1M , sha256 : 48bc11559f35a17c08cbf1200bd7c6fb07b195ff8bf5e0ec5dc9756dd740dfce , build time : Fri, 17 Apr 2026 00:33:23 UTC
  
protobuf-devel-3.23.3-5.2.ph5.x86_64.rpm | size : 452K , sha256 : 06848185535d4d64f1f8ca5c9ddb5e63538a064baa498ee1611e3a395f332b4d , build time : Fri, 17 Apr 2026 00:33:23 UTC
  
protobuf-java-3.23.3-5.2.ph5.x86_64.rpm | size : 2.2M , sha256 : 233d06fbaf396f7996f407a254eded6af3709f4ebad4365619bf219450e3f810 , build time : Fri, 17 Apr 2026 00:33:23 UTC
  
protobuf-python3-3.23.3-5.2.ph5.x86_64.rpm | size : 300K , sha256 : b45be7540f1c4098f9131416a9352e269e04097049a05f3a49034bd5f2787416 , build time : Fri, 17 Apr 2026 00:33:23 UTC
  
protobuf-static-3.23.3-5.2.ph5.x86_64.rpm | size : 12K , sha256 : b334d48a1dbb6622923c91f7e8eec57e19cd30d460f18caa2f2f68e03638987f , build time : Fri, 17 Apr 2026 00:33:23 UTC