CVE-2010-1166: The fbComposite function in fbpict.c in the Render extension in the X server in X.Org X11R7.1 allows remote...

Security readout for executives and security teams

CVE-2010-1166 is a flaw in the X.Org X server Render extension. An authenticated remote user able to send crafted X requests could crash the X server and possibly run code. The public record names memory corruption and daemon crash, but does not provide CVSS or confirmed exploitation. Exposure is most likely on legacy Unix/Linux systems running vulnerable X.Org X server packages, especially where remote or multi-user X client access is possible. Modern headless servers without X.Org, or systems with patched distribution packages, are less likely exposed. Treat this as a legacy infrastructure cleanup and patch-verification item. Prioritize internet-reachable, shared, kiosk, VDI, or lab systems where users can authenticate to X services. No source confirms active exploitation, so urgency depends on reachable exposure. Mitigation focus: Apply relevant vendor X.Org security updates from Red Hat, Ubuntu, SUSE, or your distribution.; Retire or isolate legacy X.Org X11R7.1-era systems where updates are unavailable.; Restrict remote X server access to trusted users and hosts only..

Prepared

Jun 28, 2026, 02:49 UTC (UTC+00:00)

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