CVE-2013-2221: Wernerd Zrtpcpp

High severity, CVSS 7.5. EPSS: 4.3% chance of exploitation in the next 30 days.

Heap-based buffer overflow in the ZRtp::storeMsgTemp function in GNU ZRTPCPP before 3.2.0 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a large packet.

Affected products

• Wernerd Zrtpcpp: up to and including 3.2.1; version 2.1.2 only; version 2.2.0 only; version 2.3.0 only; version 3.0.0 only; version 3.1.0 only; …

Published 2013-10-04. Last modified 2026-06-16.