MEDIUMCVSS v4 6.9Vulnerability
CVE-2026-109904
A buffer overread caused by an integer-overflow in Proc/SProcXResQueryClientIds in X.Org xwayland before 24.1.15 and X Server before 21.1.26 could be used by attackers on authenticated X clients to crash the server or leak out information.
Properties
- Severity
- MEDIUM
- Nvd fetched at
- 2026-11-14T00:40:25.638091+00:00
- Epss score
- 0.00168
- Cvss severity
- MEDIUM
- Cvss score
- 6.9
- Retrieved at
- 2026-11-14T00:51:06+00:00
- Last source
- FIRST EPSS
- Score
- 6.9
- Cvss version
- 4.0
- Cve id
- CVE-2026-109904
- Cvss vector
- CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/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:L/VI:N/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
- 2026-11-13T11:17:15.677
- Last modified
- 2026-11-13T16:17:25.600
- Epss percentile
- 0.06226
Related Entities (1)
HAS_WEAKNESS (1)
Related research
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