# Critical Photon OS Security Update

## Summary
  
Advisory Id     : PHSA-2023-5.0-91-0126
  
Type            : Security
  
Severity        : ['Critical', 'Important']
  
Issue date      : 2023-10-26
  
Affected Release: 5.0-91

## Details
  
Updates of ['zlib', 'nghttp2'] packages of Photon OS have been released.
## Affected Packages

### Critical
  
zlib - ['[CVE-2023-45853](https://nvd.nist.gov/vuln/detail/CVE-2023-45853)']

### Important
  
nghttp2 - ['[CVE-2023-44487](https://nvd.nist.gov/vuln/detail/CVE-2023-44487)', '[CVE-2023-35945](https://nvd.nist.gov/vuln/detail/CVE-2023-35945)']

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

## Updated Packages Information
  
zlib-1.2.13-2.ph5.x86_64.rpm | size : 68K , sha256 : 785a8828c02001289f3c8f244718cbdd32f9dd13e1a64eaa6d22f279ed1f7046 , build time : Thu, 26 Oct 2023 15:01:25 UTC
  
zlib-devel-1.2.13-2.ph5.x86_64.rpm | size : 96K , sha256 : ac741bb3cb8aba224c025c1a633b4fb74e3720f879925305a9a301fa4f56a54e , build time : Thu, 26 Oct 2023 15:01:25 UTC
  
nghttp2-1.57.0-1.ph5.x86_64.rpm | size : 136K , sha256 : ac37211712b915eb1f6e44a1b6ff2d0c1bb2262eb0ddd7f506e6e1c1a77c00d0 , build time : Thu, 26 Oct 2023 15:02:06 UTC
  
nghttp2-devel-1.57.0-1.ph5.x86_64.rpm | size : 44K , sha256 : 8e55afa7dddd9307d9645058198acdf780d7cf83b3f7d901ce9539d14b0f80b5 , build time : Thu, 26 Oct 2023 15:02:06 UTC