# Critical Photon OS Security Update ## Summary Advisory Id : PHSA-2026-5.0-91-0833 Type : Security Severity : ['Critical'] Issue date : 2026-04-27 Affected Release: 5.0-91 ## Details Updates of ['mesa'] packages of Photon OS have been released. ## Affected Packages ### Critical mesa - ['[CVE-2026-40393](https://nvd.nist.gov/vuln/detail/CVE-2026-40393)'] ## Solution Update the affected packages (tdnf update package) ## Updated Packages Information mesa-25.1.4-2.2.ph5.x86_64.rpm | size : 12K , sha256 : cf2f58c5b8da2dbdbb486e2db3472b4144b47629a88fa31bc71f85d9c6677b2c , build time : Mon, 27 Apr 2026 17:46:18 UTC mesa-dri-devel-25.1.4-2.2.ph5.x86_64.rpm | size : 32K , sha256 : 69d7d1694145c46bfbca66094fcf0d85ff26e0ee361d1df4e6b1822f07410725 , build time : Mon, 27 Apr 2026 17:46:18 UTC mesa-libEGL-25.1.4-2.2.ph5.x86_64.rpm | size : 124K , sha256 : 841ac926701a77cad0c66ab866f581f5421337dcf349d92a4d502d005d5ab3d0 , build time : Mon, 27 Apr 2026 17:46:18 UTC mesa-libEGL-devel-25.1.4-2.2.ph5.x86_64.rpm | size : 32K , sha256 : f217576c09ae8c09f8775609dc99849946f0b2ccc4fda8e26c88b8d05fccef1e , build time : Mon, 27 Apr 2026 17:46:18 UTC mesa-libgallium-25.1.4-2.2.ph5.x86_64.rpm | size : 8.1M , sha256 : cea9edf113699d281d6db1facf3c5792b2d21ddc2579f4a0d5f10b318714fd0e , build time : Mon, 27 Apr 2026 17:46:18 UTC mesa-libgbm-25.1.4-2.2.ph5.x86_64.rpm | size : 40K , sha256 : f5aabbd33511eed1db5e23d93ed05193b322bac897d980e35aea6603933434a1 , build time : Mon, 27 Apr 2026 17:46:18 UTC mesa-libgbm-devel-25.1.4-2.2.ph5.x86_64.rpm | size : 20K , sha256 : 18813505f7f83b7d97470465a36d4ddb52da23841538451a4394477fe1334f1d , build time : Mon, 27 Apr 2026 17:46:18 UTC mesa-vulkan-drivers-25.1.4-2.2.ph5.x86_64.rpm | size : 11M , sha256 : fc52ae2c2ea8845feaa2e5da67a97da20eac2b03996ac5e6f7e45d8bc0e0b127 , build time : Mon, 27 Apr 2026 17:46:18 UTC