CVE-2012-0219: Dest-Unreach Socat

Medium severity, CVSS 6.2. EPSS: 0.5% chance of exploitation in the next 30 days.

Heap-based buffer overflow in the xioscan_readline function in xio-readline.c in socat 1.4.0.0 through 1.7.2.0 and 2.0.0-b1 through 2.0.0-b4 allows local users to execute arbitrary code via the READLINE address.

Affected products

• Dest-Unreach Socat: version 1.4.0.0 only; version 1.4.0.1 only; version 1.4.0.2 only; version 1.4.0.3 only; version 1.4.1.0 only; version 1.4.2.0 only; …

Published 2012-06-21. Last modified 2026-06-16.