A double free in XKB SetGeometryin X.Org X Server before 21.1.25 and X Wayland before 24.1.14 could be used by attached clients to cause a crash or potentially code in the x server context.
Fix
Vendor advisories in the News 1
- ZDI-26-759: X.Org Server XKB TextDoodad Double Free Privilege Escalation Vulnerability Zero Day Initiative: published advisories · 2026-10-15
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 4
- StatusPublished → Awaiting AnalysisNVD modified 2026-10-28 14:15
- StatusReceived → PublishedNVD modified 2026-10-27 17:43
- StatusPublished → ReceivedNVD modified 2026-10-27 18:17
- First seenCVSS 7.8 · x.orgNVD modified 2026-10-27 17:43
Affected (CPE criteria) 0
NVD has not attached CPE configurations yet.