CVE-2026-55999

概要

参考情報

• gitlab.freedesktop.org/xorg/xserver/-/commit/fbf7bac22e2c6bd627fb042742a23318263edae1 · Patch
• openwall.com/lists/oss-security/2026/07/08/2 · Mailing List

x server のその他の脆弱性

• CVE-2026-56000高 7.8Local attackers with a X connection able to provide GLX commit to the X server xorg-server before 21.2.24 and xwayland before 24.1.13 could …
• CVE-2026-50264高 7.8An out-of-bounds write flaw was found in the X.Org X server and Xwayland in DRIGetBuffers/DRIGetBuffersWithFormat. A client that requests mu…
• CVE-2026-50263中 5.5A use-after-free flaw was found in the X.Org X server and Xwayland in CreateSaverWindow(). A client can trigger a use-after-free read after …
• CVE-2026-50262中 5.5An out-of-bounds read flaw was found in the X.Org X server and Xwayland in __glXDisp_ChangeDrawableAttributes(). A wrong size validation che…
• CVE-2026-50261高 7.8A use-after-free flaw was found in the X.Org X server and Xwayland in SyncChangeCounter(). A client that sets up multiple SyncCounters can t…