HIGHCVSS v3.1 7.8Vulnerability

CVE-2026-109092

Incorrectly handled negative sizes when processing ProcXvShmPutImage requests in the X.Org xwayland before 24.1.15 and X Server before 21.1.26 could be used by local authenticated X clients to crash the X server or execute code.

Properties

Severity
HIGH
Nvd fetched at
2026-11-14T00:40:25.638091+00:00
Cvss severity
HIGH
Cvss score
7.8
Retrieved at
2026-11-14T00:50:05+00:00
Score
7.8
Cvss version
3.1
Last source
NVD
Cve id
CVE-2026-109092
Cvss vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
First seen by Signal
2026-11-13T17:31:47+00:00
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published at
2026-11-13T15:17:29.740
Last modified
2026-11-13T15:17:29.833

Related Entities (1)

HAS_WEAKNESS (1)

Related research

Explore deeper with Ninja Signal's threat intelligence graph

CVE-2026-109092 (CVSS v3.1 7.8) — Ninja Signal Threat Intelligence | Ninja Signal