CVE-2026-109092

Public on 2026-11-10
Modified on 2026-11-10
Description
A bounds-checking flaw in the X.Org Server's XvShmPutImage handling can result in an out-of-bounds read or write, potentially leading to server crashes or memory corruption.
Severity
Important severity
Important
See what this means
CVSS v3 Base Score
7.8
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Core xorg-x11-server Pending Fix
Amazon Linux 2023 xorg-x11-server Pending Fix
Amazon Linux 2023 xorg-x11-server-Xwayland Pending Fix

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

FAQs regarding Amazon Linux ALAS/CVE Severity Red Hat: CVE-2026-109092 Mitre: CVE-2026-109092