HIGHCVSS v4 8.5Vulnerability

CVE-2026-109094

A integer overflow that can lead to a buffer overrread in the XRes QueryResourceBytes Swap Path in the X.Org xwayland before 24.1.15 and X Server before 21.1.26 on 32bit systems could be used by authenticated clients to crash the X server.

Properties

Severity
HIGH
Nvd fetched at
2026-11-14T00:40:25.638091+00:00
Cvss severity
HIGH
Cvss score
8.5
Retrieved at
2026-11-14T00:50:05+00:00
Score
8.5
Cvss version
4.0
Last source
NVD
Cve id
CVE-2026-109094
Cvss vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
First seen by Signal
2026-11-13T17:31:47+00:00
Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published at
2026-11-13T15:17:30.017
Last modified
2026-11-13T15:17:30.110

Related Entities (1)

HAS_WEAKNESS (1)

Related research

Explore deeper with Ninja Signal's threat intelligence graph

CVE-2026-109094 (CVSS v4 8.5) — Ninja Signal Threat Intelligence | Ninja Signal