What’s Vulnerable › Vulnerabilities

CVE-2013-1997

• Severity: medium (CVSS 6.8 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2013-06-15 · updated 2026-06-16
• Weakness: CWE-119

Description

Multiple buffer overflows in X.org libX11 1.5.99.901 (1.6 RC1) and earlier allow X servers to cause a denial of service (crash) and possibly execute arbitrary code via crafted length or index values to the (1) XAllocColorCells, (2) _XkbReadGetDeviceInfoReply, (3) _XkbReadGeomShapes, (4) _XkbReadGetGeometryReply, (5) _XkbReadKeySyms, (6) _XkbReadKeyActions, (7) _XkbReadKeyBehaviors, (8) _XkbReadModifierMap, (9) _XkbReadExplicitComponents, (10) _XkbReadVirtualModMap, (11) _XkbReadGetNamesReply, (12) _XkbReadGetMapReply, (13) _XimXGetReadData, (14) XListFonts, (15) XListExtensions, and (16) XGetFontPath functions.

Affected products

• X Libx11: through 1.5.99.901; 1.5.0

References

• http://lists.fedoraproject.org/pipermail/package-announce/2013-May/106781.html
• http://www.debian.org/security/2013/dsa-2693
• http://www.openwall.com/lists/oss-security/2013/05/23/3
• http://www.ubuntu.com/usn/USN-1854-1
• http://www.x.org/wiki/Development/Security/Advisory-2013-05-23
• http://lists.fedoraproject.org/pipermail/package-announce/2013-May/106781.html
• http://www.debian.org/security/2013/dsa-2693
• http://www.openwall.com/lists/oss-security/2013/05/23/3
• http://www.ubuntu.com/usn/USN-1854-1
• http://www.x.org/wiki/Development/Security/Advisory-2013-05-23

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