# Important Photon OS Security Update

## Summary
  
Advisory Id     : PHSA-2026-4.0-1036
  
Type            : Security
  
Severity        : ['Important', 'Moderate']
  
Issue date      : 2026-06-17
  
Affected Release: 4.0

## Details
  
Updates of ['dotnet-runtime', 'wireshark', 'nginx'] packages of Photon OS have been released.
## Affected Packages

### Important
  
dotnet-runtime - ['[CVE-2026-35433](https://nvd.nist.gov/vuln/detail/CVE-2026-35433)', '[CVE-2026-32177](https://nvd.nist.gov/vuln/detail/CVE-2026-32177)', '[CVE-2026-42899](https://nvd.nist.gov/vuln/detail/CVE-2026-42899)']
  
wireshark - ['[CVE-2026-5657](https://nvd.nist.gov/vuln/detail/CVE-2026-5657)', '[CVE-2026-5654](https://nvd.nist.gov/vuln/detail/CVE-2026-5654)', '[CVE-2026-7375](https://nvd.nist.gov/vuln/detail/CVE-2026-7375)', '[CVE-2026-6868](https://nvd.nist.gov/vuln/detail/CVE-2026-6868)']
  
nginx - ['[CVE-2026-42945](https://nvd.nist.gov/vuln/detail/CVE-2026-42945)', '[CVE-2026-9256](https://nvd.nist.gov/vuln/detail/CVE-2026-9256)']

### Moderate
  
wireshark - ['[CVE-2026-6524](https://nvd.nist.gov/vuln/detail/CVE-2026-6524)', '[CVE-2026-6530](https://nvd.nist.gov/vuln/detail/CVE-2026-6530)', '[CVE-2026-6521](https://nvd.nist.gov/vuln/detail/CVE-2026-6521)', '[CVE-2026-6526](https://nvd.nist.gov/vuln/detail/CVE-2026-6526)', '[CVE-2026-6533](https://nvd.nist.gov/vuln/detail/CVE-2026-6533)', '[CVE-2026-6870](https://nvd.nist.gov/vuln/detail/CVE-2026-6870)', '[CVE-2026-6522](https://nvd.nist.gov/vuln/detail/CVE-2026-6522)', '[CVE-2026-5401](https://nvd.nist.gov/vuln/detail/CVE-2026-5401)', '[CVE-2026-6867](https://nvd.nist.gov/vuln/detail/CVE-2026-6867)', '[CVE-2026-6523](https://nvd.nist.gov/vuln/detail/CVE-2026-6523)']

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

## Updated Packages Information
  
dotnet-runtime-8.0.28-1.ph4.x86_64.rpm | size : 25M , sha256 : d33c7e740a6278a2a17c5242d98530292493ec03cc550f7a85dc91bfba7ec697 , build time : Wed, 17 Jun 2026 14:51:04 UTC
  
wireshark-4.4.16-1.ph4.x86_64.rpm | size : 29M , sha256 : b22ed833f857d11134283a626f0ef064f01b46d852cb5882084865d877a64c05 , build time : Wed, 17 Jun 2026 14:51:07 UTC
  
wireshark-devel-4.4.16-1.ph4.x86_64.rpm | size : 116K , sha256 : 2e1cc42ab4acb62bd8ced0fc427877ba067bfcbd80a0a252be5c84b86fb254f4 , build time : Wed, 17 Jun 2026 14:51:07 UTC
  
nginx-1.26.3-3.ph4.x86_64.rpm | size : 744K , sha256 : 3e3565a0ad732449a634d6bfc4a7ecfc69542d1a1e5bf02b65fb5becaf0774d6 , build time : Wed, 17 Jun 2026 14:51:07 UTC