5.3
MediumCVSS 3.1 · from suse
CVE-2026-93536
X.Org Server GestureBuildSprite Use-After-Free
xorg-x11-server · Heap buffer overflow · CWE-122Affectedxorg-x11-server, xwayland
FixUpdate to 21.1.25, 24.1.14 or newer
PublishedOct 28, 16:33 · suse
ScoredOct 28 · 5.3 · suse
Exploit code publicNone known · checked 21:18 UTC
ExploitedNone known · CISA KEV checked 22:06 UTC
What we know
No known exploitation. CISA KEV, checked 22:06 UTC.
No public exploit code known. Exploit-DB, Metasploit, Nuclei, checked 21:18 UTC.
An attacker needs local access to the machine. CVSS: local.
It only works under certain conditions, which makes it harder to pull off. CVSS: high attack complexity.
A successful attack can take the service down. CVSS impact.
Description
A use after free caused by missing lifecycle management of gesture sprites in GestureBuildSprite() in X.Org X Server before 21.1.25 and XWayland before 24.1.14 could be used by authenticated X clients to crash the X server or potentially execute code.
From suse
Affected and fixed versions
ProductAffectedFixed inxorg-x11-serverbefore 21.1.2521.1.25xwaylandbefore 24.1.1424.1.14
Exploit code
Exploit-DBnone knownMetasploitnone knownNucleinone known