ALPINE-CVE-2026-56000

See a problem?
Please try reporting it to the source first.
Source
https://security.alpinelinux.org/vuln/CVE-2026-56000
Import Source
https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-56000.json
JSON Data
https://api.osv.dev/v1/vulns/ALPINE-CVE-2026-56000
Upstream
Published
2026-07-08T09:16:29Z
Modified
2026-11-03T06:33:05Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

Local attackers with a X connection able to provide GLX commit to the X server xorg-server before 21.2.24 and xwayland before 24.1.13 could cause a Heap Use After Free, due to CommonMakeCurrent() pointing into potentially reallocated memory.

References

Affected packages

Alpine:v3.24 / xorg-server

Package

Name
xorg-server
Purl
pkg:apk/alpine/xorg-server?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
21.1.24-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-56000.json"

Alpine:v3.24 / xwayland

Package

Name
xwayland
Purl
pkg:apk/alpine/xwayland?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
24.1.13-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-56000.json"