# Critical Photon OS Security Update

## Summary
  
Advisory Id     : PHSA-2026-4.0-1039
  
Type            : Security
  
Severity        : ['Critical']
  
Issue date      : 2026-06-23
  
Affected Release: 4.0

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

### Critical
  
samba-client - ['[CVE-2026-4408](https://nvd.nist.gov/vuln/detail/CVE-2026-4408)', '[CVE-2026-4480](https://nvd.nist.gov/vuln/detail/CVE-2026-4480)']

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

## Updated Packages Information
  
samba-client-4.19.3-7.ph4.x86_64.rpm | size : 1.3M , sha256 : 31a9a12a2d0b10419a57be6e7ea55aa3a76c00e0617bd590c7ccca53edc76aef , build time : Tue, 23 Jun 2026 09:52:25 UTC
  
samba-client-devel-4.19.3-7.ph4.x86_64.rpm | size : 212K , sha256 : 846f64bb24a0e04d333a12d0467bf2f8e1d163e11b130f1847218dd2d01d2fed , build time : Tue, 23 Jun 2026 09:52:25 UTC
  
samba-client-libs-4.19.3-7.ph4.x86_64.rpm | size : 5.2M , sha256 : e74068bdfddf83edd78a26a63c9a73f275e33077888b62c8529709714f3be0bf , build time : Tue, 23 Jun 2026 09:52:25 UTC