CVE-2013-1988: Multiple integer overflows in X.org libXRes 1.0.6 and earlier allow X servers to trigger allocation of insu...

Security readout for executives and security teams

This is an old X.org libXRes memory-safety issue. A vulnerable client library could allocate too little memory and overflow a buffer when handling certain X resource responses from an X server. The bundle does not provide CVSS scoring or evidence of active exploitation. Exposure is most likely on legacy Unix/Linux systems with X Window System client libraries, specifically libXRes 1.0.6 or earlier, or distributions that never applied 2013 vendor updates. Handle as legacy patch hygiene unless vulnerable systems are confirmed in active X11 use. Prioritize unsupported desktops, remote-display hosts, and long-lived appliances where old X.org libraries may persist. Mitigation focus: Apply relevant distribution updates from Ubuntu, Debian, openSUSE, Fedora, or vendor guidance.; Upgrade X.org libXRes beyond affected 1.0.6-and-earlier versions where applicable.; Prioritize unsupported or frozen Linux images that still include old X11 libraries..

Prepared

Jun 14, 2026, 22:07 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.