CVE-2012-0219: Heap-based buffer overflow in the xioscan_readline function in xio-readline.c in socat 1.4.0.0 through 1.7....

Security readout for executives and security teams

CVE-2012-0219 is a socat flaw where certain READLINE handling can corrupt heap memory. The published CVE says a local user could execute arbitrary code on affected systems. Business urgency is highest for shared Linux/Unix hosts or environments where untrusted users can run local commands. Exposure depends on installed socat versions and local user access. Systems without socat, outside the named versions, or without untrusted local users have lower practical exposure. The bundle does not identify remote network exploitation. Treat as a focused remediation item, not an internet-wide emergency. Prioritize multi-user servers, administrative jump boxes, and legacy systems where old socat packages may remain installed. Mitigation focus: Inventory systems with socat installed and record package versions.; Prioritize shared hosts and systems with untrusted local shell access.; Apply vendor package updates from the relevant distribution advisory..

Prepared

Jun 24, 2026, 12:34 UTC (UTC+00:00)

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