VULNERABILITY INTELLIGENCE
CVE-2026-56000
CVSS score7.8 HIGH
EPSS probability0.31%
CISA KEVNot currently listed
Published2026-07-08
Last modified2026-07-09
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Description
Local 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 cause a Heap Use After Free, due to CommonMakeCurrent() pointing into potentially reallocated memory.
Weakness classification
- meissner@suse.de: CWE-416
Primary references
- meissner@suse.de — Patch
- meissner@suse.de — Mailing List, Patch, Third Party Advisory