# Important Photon OS Security Update

## Summary
  
Advisory Id     : PHSA-2026-5.0-91-0883
  
Type            : Security
  
Severity        : ['Important', 'Moderate', 'Low']
  
Issue date      : 2026-06-17
  
Affected Release: 5.0-91

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

### Important
  
erlang - ['[CVE-2026-49759](https://nvd.nist.gov/vuln/detail/CVE-2026-49759)', '[CVE-2026-42790](https://nvd.nist.gov/vuln/detail/CVE-2026-42790)']

### Moderate
  
erlang - ['[CVE-2026-42789](https://nvd.nist.gov/vuln/detail/CVE-2026-42789)', '[CVE-2026-48855](https://nvd.nist.gov/vuln/detail/CVE-2026-48855)', '[CVE-2026-49760](https://nvd.nist.gov/vuln/detail/CVE-2026-49760)', '[CVE-2026-48856](https://nvd.nist.gov/vuln/detail/CVE-2026-48856)', '[CVE-2026-48858](https://nvd.nist.gov/vuln/detail/CVE-2026-48858)', '[CVE-2026-48860](https://nvd.nist.gov/vuln/detail/CVE-2026-48860)']
  
libpng - ['[CVE-2026-34757](https://nvd.nist.gov/vuln/detail/CVE-2026-34757)']

### Low
  
erlang - ['[CVE-2026-42791](https://nvd.nist.gov/vuln/detail/CVE-2026-42791)']

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

## Updated Packages Information
  
erlang-27.3.4.13-1.ph5.x86_64.rpm | size : 43M , sha256 : f38c11a16878ef06538f428fc4a8bc25318a48a875c9f2e2c329089316006cdb , build time : Wed, 17 Jun 2026 12:49:40 UTC
  
libpng-1.6.57-1.ph5.x86_64.rpm | size : 140K , sha256 : 4012dc2abdb7a570a18daf28a8bd3cc07349b8abc6eb858d4e0e8d26702ce5e4 , build time : Wed, 17 Jun 2026 12:49:39 UTC
  
libpng-devel-1.6.57-1.ph5.x86_64.rpm | size : 240K , sha256 : 72ad9cee5553c3fc88aacb518edad79eea980e992109e6a780ada1de96f6e0d9 , build time : Wed, 17 Jun 2026 12:49:39 UTC