CVE-2012-3826: Wireshark

Low severity, CVSS 3.3. EPSS: 3.4% chance of exploitation in the next 30 days.

Multiple integer underflows in Wireshark 1.4.x before 1.4.13 and 1.6.x before 1.6.8 allow remote attackers to cause a denial of service (loop) via vectors related to the R3 dissector, a different vulnerability than CVE-2012-2392.

Affected products

• Wireshark Wireshark: version 1.4.0 only; version 1.4.1 only; version 1.4.2 only; version 1.4.3 only; version 1.4.4 only; version 1.4.5 only; …

Published 2012-06-30. Last modified 2026-06-16.