Patch Forecast
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CVE-2026-93521

A buffer overflow in RandR ChangeProviderProperty requests in X.Org X Server before 2.1.25 and…

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 in RandR ChangeProviderProperty requests in X.Org X Server before 2.1.25 and XWayland before 24.4.14 could be used by authenticated X clients to crash or execute code within the X server context.
Affected
See advisory
Fix
Upgrade the product to 2.1.25 or 24.4.14 (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 in RandR ChangeProviderProperty requests in X.Org X Server before 2.1.25 and XWayland before 24.4.14 could be used by authenticated X clients to crash or execute code within the X server context.

Last activity 28 Oct 2026. Patch Forecast updates every hour.