UBUNTU-CVE-2026-93518
Dashboard / Vulnerabilities / UBUNTU-CVE-2026-93518
Summary:
Details: An integer truncation issue in XkbResizeKeyType() that could lead to a heap buffer overflow by authenticated X clients in X.org X server before 21.1.25 and XWayland before 24.1.14 could be exploited for crashes or potential code execution in the X server.
References: https://ubuntu.com/security/CVE-2026-93518, https://www.cve.org/CVERecord?id=CVE-2026-93518, https://lists.x.org/archives/xorg-announce/2026-October/003747.html
Affected packages
Package
Name: xorg-server
Purl: pkg:deb/ubuntu/xorg-server?arch=source&distro=esm-infra-legacy%2Ftrusty
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -None
Affected versions
2:1.14.3-3ubuntu2
2:1.14.3-3ubuntu3
2:1.14.3-3ubuntu4
2:1.14.3-5ubuntu1
2:1.14.4-1ubuntu1
2:1.14.4-1ubuntu2
2:1.14.4.901-0ubuntu2
2:1.14.5-1ubuntu2
2:1.14.5-1ubuntu4
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
