# Important Photon OS Security Update ## Summary Advisory Id : PHSA-2026-5.0-91-0744 Type : Security Severity : ['Important'] Issue date : 2026-01-21 Affected Release: 5.0-91 ## Details Updates of ['python3-urllib3'] packages of Photon OS have been released. ## Affected Packages ### Important python3-urllib3 - ['[CVE-2026-21441](https://nvd.nist.gov/vuln/detail/CVE-2026-21441)'] ## Solution Update the affected packages (tdnf update package) ## Updated Packages Information python3-urllib3-1.26.19-6.ph5.noarch.rpm | size : 268K , sha256 : 2b9676acbf6a3cd460a37dc613c372fe372669cce9384a735b245f054002bb49 , build time : Wed, 21 Jan 2026 17:52:27 UTC