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High-risk vulnerability digests

CVE-2026-33999

  • HIGH

OESA-2026-2139 xorg-x11-server security update

Details

CVSS v3
7.8
NVD published
2026-04-23 16:16:24
EPSS
<0.1% probability · 1.8th percentile — 2026-05-02
Affected versions
Not available in our cache.
Summary
A flaw was found in the X.Org X server. This integer underflow vulnerability, specifically in the XKB compatibility map handling, allows an attacker with local or remote X11 server access to trigger a buffer read overrun. This can lead to memory-safety violations and potentially a denial of service (DoS) or other severe impacts.
Remediation
Not available in our cache.
Exploit info
Not available in our cache.

View on NVD

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Information is aggregated from multiple authoritative sources for convenience; verify with NVD and vendors before operational decisions.