# Important Photon OS Security Update

## Summary
  
Advisory Id     : PHSA-2026-4.0-1057
  
Type            : Security
  
Severity        : ['Important']
  
Issue date      : 2026-07-15
  
Affected Release: 4.0

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

### Important
  
docker - ['[CVE-2026-42306](https://nvd.nist.gov/vuln/detail/CVE-2026-42306)']

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

## Updated Packages Information
  
docker-25.0.16-1.ph4.x86_64.rpm | size : 12K , sha256 : 3ddc42193e7cf14a88864e5ba92f452fc82f28999b593f418742fdbf5ec4e1a8 , build time : Wed, 15 Jul 2026 05:35:57 UTC
  
docker-buildx-0.17.1-3.ph4.x86_64.rpm | size : 14M , sha256 : c10a831e835a67941988b0867f5d40787bc81216b7bc4b962073e4e6263f2cc9 , build time : Wed, 15 Jul 2026 05:37:28 UTC
  
docker-cli-25.0.16-1.ph4.x86_64.rpm | size : 15M , sha256 : 0a0aa7083c36e99c62c50fc2f9aa0a2b75561aec4082b759469be2d177c7aadd , build time : Wed, 15 Jul 2026 05:35:57 UTC
  
docker-doc-25.0.16-1.ph4.x86_64.rpm | size : 12K , sha256 : 87c67244156f19301bad63d724ba69536f7d64486c53daefc4e878cad9f795c6 , build time : Wed, 15 Jul 2026 05:35:57 UTC
  
docker-engine-25.0.16-1.ph4.x86_64.rpm | size : 29M , sha256 : 31508c43656259189a56b2c8e0e2466ed4a955473db30d090d9674120ce45e8b , build time : Wed, 15 Jul 2026 05:35:57 UTC
  
docker-py3-6.0.0-3.ph4.noarch.rpm | size : 216K , sha256 : 74e692fc1758e73f08a7d82bc990b27694b57d29bfa928671b8a3430aebcbc8a , build time : Wed, 15 Jul 2026 05:33:03 UTC
  
docker-rootless-25.0.16-1.ph4.x86_64.rpm | size : 20K , sha256 : 10cb2dfefa2020331a6434a2a5a406f7d1433e3154d7787d08068ee007bf69d5 , build time : Wed, 15 Jul 2026 05:35:57 UTC