CVE-2026-93519
A buffer overflow when handling pointer barriers in the XFIXES extension in X.Org X server before…
- Risk score
- 47/100
- CVSS
- 7.8 v3.1
- Published
- 28 Oct 2026
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What to know
- What it is
- 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.
- Affected
- See advisory
- Fix
- Upgrade the product to 21.1.25 or 24.1.14 (whichever matches your release line), or later.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 7.8 high
References
Original 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.
Last activity 28 Oct 2026. Patch Forecast updates every hour.