# Critical Photon OS Security Update ## Summary Advisory Id : PHSA-2026-5.0-92-0857 Type : Security Severity : ['Critical', 'Important', 'Moderate'] Issue date : 2026-05-27 Affected Release: 5.0-92 ## Details Updates of ['grub2', 'strongswan', 'rubygem-nokogiri', 'libssh2'] packages of Photon OS have been released. ## Affected Packages ### Critical libssh2 - ['[CVE-2026-7598](https://nvd.nist.gov/vuln/detail/CVE-2026-7598)'] ### Important strongswan - ['[BDSA-2026-8099](https://nvd.nist.gov/vuln/detail/BDSA-2026-8099)', '[BDSA-2026-8108](https://nvd.nist.gov/vuln/detail/BDSA-2026-8108)'] ### Moderate grub2 - ['[CVE-2025-54770](https://nvd.nist.gov/vuln/detail/CVE-2025-54770)'] strongswan - ['[BDSA-2026-8106](https://nvd.nist.gov/vuln/detail/BDSA-2026-8106)', '[BDSA-2026-8107](https://nvd.nist.gov/vuln/detail/BDSA-2026-8107)', '[BDSA-2026-8109](https://nvd.nist.gov/vuln/detail/BDSA-2026-8109)', '[BDSA-2026-8102](https://nvd.nist.gov/vuln/detail/BDSA-2026-8102)', '[BDSA-2026-8105](https://nvd.nist.gov/vuln/detail/BDSA-2026-8105)'] rubygem-nokogiri - ['[BDSA-2026-9422](https://nvd.nist.gov/vuln/detail/BDSA-2026-9422)'] ## Solution Update the affected packages (tdnf update package) ## Updated Packages Information grub2-2.12-6.ph5.x86_64.rpm | size : 2.4M , sha256 : 304b7e3cd1f65c189afc7a9a5eb2d6fa3575d4ec30bfd052ac4bd8eafd19ce90 , build time : Wed, 27 May 2026 08:31:32 UTC grub2-efi-2.12-6.ph5.x86_64.rpm | size : 1.1M , sha256 : 60724a0b04ce80de45d35a5f2246b765173e44837a85ef8875a452c42e1ca885 , build time : Wed, 27 May 2026 08:31:32 UTC grub2-efi-image-2.12-6.ph5.x86_64.rpm | size : 396K , sha256 : fb725fa375ba9f726b648d66780a96a57062e547b54e1132ccca7e3f6867c77e , build time : Wed, 27 May 2026 08:31:32 UTC grub2-emu-2.12-6.ph5.x86_64.rpm | size : 816K , sha256 : a27d316b5656e6a578504174ccf2b56b4b47dc7b8da253a4ee99bc34e73b38ef , build time : Wed, 27 May 2026 08:31:32 UTC grub2-lang-2.12-6.ph5.x86_64.rpm | size : 856K , sha256 : bd01fc602ebac94b973ba658ea39e88dbe340da91e92aac7e3ce8433f842d54b , build time : Wed, 27 May 2026 08:31:32 UTC grub2-pc-2.12-6.ph5.x86_64.rpm | size : 976K , sha256 : 84694a5e9c6df50e17a860709a5973a6befe0913b6cff11b30cae37e83c4624f , build time : Wed, 27 May 2026 08:31:32 UTC strongswan-6.0.6-1.ph5.x86_64.rpm | size : 980K , sha256 : 4ef3a0cf10311538e460981790559739c9e1675f93e00b2e5e21c8e10d42b101 , build time : Wed, 27 May 2026 10:30:29 UTC rubygem-nokogiri-1.19.3-1.ph5.x86_64.rpm | size : 5.7M , sha256 : 87c5550e34192e23ce3f938cf78e4dcca4bdb3c5b0966aa79bc53f9458538f15 , build time : Wed, 27 May 2026 10:26:42 UTC libssh2-1.11.1-3.ph5.x86_64.rpm | size : 132K , sha256 : 352eb0299261afe6d759cb6aee34c073ee512c52cfbe9994806e340b86ab3e5b , build time : Wed, 27 May 2026 10:26:42 UTC libssh2-devel-1.11.1-3.ph5.x86_64.rpm | size : 164K , sha256 : e2c0dc1a2fecbf557df3add8b289890debf8568464542a63b3f3cdaaa30a0fcd , build time : Wed, 27 May 2026 10:26:42 UTC