Security Update 4.0 994

Important Photon OS Security Update

Summary

Advisory Id : PHSA-2026-4.0-0994

Type : Security

Severity : ['Important', 'Moderate']

Issue date : 2026-04-09

Affected Release: 4.0

Details

Updates of ['libpng', 'nginx'] packages of Photon OS have been released.

Affected Packages

Important

libpng - ['CVE-2026-33416', 'CVE-2026-33636']

nginx - ['CVE-2026-27784', 'CVE-2026-27654', 'CVE-2026-32647', 'CVE-2026-27651']

Moderate

nginx - ['CVE-2026-1642']

Solution

Update the affected packages (tdnf update package)

Updated Packages Information

libpng-1.6.56-1.ph4.x86_64.rpm | size : 140K , sha256 : d9cf3d480bd2d8ac17075a6434d3d06a7ca4092e8075b5ce3bfe0b30b53d2d69 , build time : Thu, 09 Apr 2026 09:50:48 UTC

libpng-devel-1.6.56-1.ph4.x86_64.rpm | size : 236K , sha256 : 83231a4615acd9efc472242b06ff770f67b1ae473e172a070f668d0c57b4a595 , build time : Thu, 09 Apr 2026 09:50:48 UTC

nginx-1.26.3-2.ph4.x86_64.rpm | size : 744K , sha256 : 36a77c41ae2faca67ae493dbc3badad54b39676c562fadc1dd9e7d0443524f0f , build time : Thu, 09 Apr 2026 09:50:51 UTC