HIGH 7.8 NVD

CVE-2026-93521

A buffer overflow in RandR ChangeProviderProperty requests in X.Org X Server before 2.1.25 and XWayland before 24.4.14 could be used by authenticated X clients

A buffer overflow in RandR ChangeProviderProperty requests in X.Org X Server before 2.1.25 and XWayland before 24.4.14 could be used by authenticated X clients to crash or execute code within the X server context.

References

https://gitlab.freedesktop.org/xorg/xserver/-/commit/5dc9efd5a199717b53f70b9c6cd336a522370

Published: 2026-10-28 · Source: NVD · Feed updated: 2026-10-28

This high severity vulnerability with a CVSS score of 7.8 was published on 2026-10-28 via NVD.

vulnfeed aggregates 14990 vulnerabilities from NVD, CISA KEV, Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.