# [Important] Photon OS Security Update ## Summary Advisory ID : PHSA-2021-4.0-0084 Type : Security Severity : ['Important'] Issued on : 2021-08-20 Affected Versions : Photon OS 4.0 ## Details An update of {'ruby'} packages of Photon OS has been released. ## Affected Packages: ### Important ruby - ['[CVE-2021-32066](https://nvd.nist.gov/vuln/detail/CVE-2021-32066)'] ## Solution Update the affected packages (tdnf update _package_) ## Updated Packages Information ruby-2.7.3-2.ph4.x86_64.rpm , sha256 : 0e85a86573dcb28f6f9981f5c28fd93fff8240e3c65d17c60740d5a5ec9e27c7 , size : 9.3M , build_date : Fri, 20 Aug 2021 10:02:20 PDT