# Important Photon OS Security Update

## Summary
  
Advisory Id     : PHSA-2026-4.0-1053
  
Type            : Security
  
Severity        : ['Important', 'Moderate']
  
Issue date      : 2026-07-08
  
Affected Release: 4.0

## Details
  
Updates of ['python3-tornado', 'python3-ujson'] packages of Photon OS have been released.
## Affected Packages

### Important
  
python3-ujson - ['[CVE-2026-44660](https://nvd.nist.gov/vuln/detail/CVE-2026-44660)']

### Moderate
  
python3-tornado - ['[BDSA-2026-15096](https://nvd.nist.gov/vuln/detail/BDSA-2026-15096)']

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

## Updated Packages Information
  
python3-tornado-6.0.4-8.ph4.x86_64.rpm | size : 640K , sha256 : 283aaafca600fe8713760fea6f99f1e5617b41ec1a83567dc6ff168f4db80192 , build time : Wed, 08 Jul 2026 10:19:07 UTC
  
python3-ujson-5.4.0-3.ph4.x86_64.rpm | size : 52K , sha256 : c720085d5b1b1616e783a25863722e56183dc13bf6798bafda487659bb537c99 , build time : Wed, 08 Jul 2026 10:19:09 UTC