X.org X Window System vulnerabilities

2 CVEs affecting X.org X Window System, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2021-31535, published 2021-05-27.

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Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2021-31535, published 2021-05-27. Critical severity, CVSS 9.8. EPSS: 10.6% chance of exploitation in the next 30 days. LookupCol.c in X.Org X through X11R7.7 and libX11 before 1.7.1 might allow remote attackers to execute arbitrary code. The libX11 XLookupColor request (intended for server-side color lookup) contains…
• CVE-2007-2437, published 2007-05-02. Medium severity, CVSS 5.5. EPSS: 4.4% chance of exploitation in the next 30 days. The X render (Xrender) extension in X.org X Window System 7.0, 7.1, and 7.2, with Xserver 1.3.0 and earlier, allows remote authenticated users to cause a denial of service (daemon crash) via crafted…