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The vulnerability relates to the X Rendering Extension implementation of the X Window System X.Org Server, as well as the Wayland protocol for X.Org XWayland. This allows a malicious actor to cause a service failure.

🗓️ 28 Sep 2025 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec
🔗 bdu.fstec.ru👁 5 Views

Vulnerability in the X Rendering Extension and Wayland XWayland allows buffer overread to crash the service.

Related
Detection
Refs
Vulners
Node
x.orgx.org_serverRange<21.1.17

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04 Mar 2026 00:00Current
6.9Medium risk
Vulners AI Score6.9
CVSS 24.6
CVSS 35.5
EPSS0.00336
5