CVE-2010-2799: Dest-Unreach Socat

Medium severity, CVSS 6.8. EPSS: 2.8% chance of exploitation in the next 30 days.

Stack-based buffer overflow in the nestlex function in nestlex.c in Socat 1.5.0.0 through 1.7.1.2 and 2.0.0-b1 through 2.0.0-b3, when bidirectional data relay is enabled, allows context-dependent attackers to execute arbitrary code via long command-line arguments.

Affected products

• Dest-Unreach Socat: version 1.5.0.0 only; version 1.6.0.0 only; version 1.6.0.1 only; version 1.7.0.0 only; version 1.7.0.1 only; version 1.7.1.0 only; …

Published 2010-09-14. Last modified 2026-06-16.