CVE-2026-50261: Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in syncchangecounter()
Overview
- Severity
- High (CVSS 7.8)
- CVSS Vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-Jun
- Released
- 2026-06-09
- EPSS Score
- 0.01% (percentile: 1.8%)
Affected Products (1)
Open Source Software
- azl3 xorg-x11-server-Xwayland 24.1.6-4 on Azure Linux 3.0
Revision History
- 2026-06-09: Information published.