CVE-2012-5237: Wireshark

Low severity, CVSS 3.3. EPSS: 0.9% chance of exploitation in the next 30 days.

The dissect_hsrp function in epan/dissectors/packet-hsrp.c in the HSRP dissector in Wireshark 1.8.x before 1.8.3 allows remote attackers to cause a denial of service (infinite loop) via a malformed packet.

Affected products

• Wireshark Wireshark: version 1.8.0 only; version 1.8.1 only; version 1.8.2 only

Published 2012-10-04. Last modified 2026-06-16.