ALPINE-CVE-2026-34001
- Source
- https://security.alpinelinux.org/vuln/CVE-2026-34001
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-34001.json
- JSON Data
- https://api.osv.dev/v1/vulns/ALPINE-CVE-2026-34001
- Upstream
- CVE-2026-34001
- Published
- 2026-04-23T16:16:24Z
- Modified
- 2026-11-03T06:32:55Z
- 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
-
A flaw was found in the X.Org X server. This use-after-free vulnerability occurs in the XSYNC fence triggering logic, specifically within the miSyncTriggerFence() function. An attacker with access to the X11 server can exploit this without user interaction, leading to a server crash and potentially enabling memory corruption. This could result in a denial of service or further compromise of the system.
- References
Affected packages
Alpine:v3.23 / xorg-server
Package
- Name
- xorg-server
- Purl
- pkg:apk/alpine/xorg-server?arch=source
Alpine:v3.24 / xorg-server
Package
- Name
- xorg-server
- Purl
- pkg:apk/alpine/xorg-server?arch=source
Alpine:v3.23 / xwayland
Package
- Name
- xwayland
- Purl
- pkg:apk/alpine/xwayland?arch=source