Vulnerability details
CVE-2026-93519
X.Org xorg-x11-serverx.orgg xwayland
X.Org Server XFixes Pointer Barrier Event List Buffer Overflow
CVSS 3.1
7.8High
Official description
A buffer overflow when handling pointer barriers in the XFIXES extension in X.Org X server before 21.1.25 and XWayland before 24.1.14 could be used by authenticated X clients to crash or potentially execute code in X server context.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.8High | 3.1 | CVEProject cvelistV5 (CNA) (suse) | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| X.Org | xorg-x11-server | v < 21.1.25 | CVEProject cvelistV5 (CNA) |
| x.orgg | xwayland | v < 24.1.14 | CVEProject cvelistV5 (CNA) |
References and advisories
1
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Details
- Published
- 2026-10-28
- Last updated
- 2026-11-05
- State
- Published
- Assigner (CNA)
- suse
Exploit prediction (EPSS)
0.2%
Probability of exploitation in 30 days
10.2%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-122Heap-based buffer overflow