CVE-2011-1138: Wireshark

Medium severity, CVSS 4.3. EPSS: 3.3% chance of exploitation in the next 30 days.

Off-by-one error in the dissect_6lowpan_iphc function in packet-6lowpan.c in Wireshark 1.4.0 through 1.4.3 on 32-bit platforms allows remote attackers to cause a denial of service (application crash) via a malformed 6LoWPAN IPv6 packet.

Affected products

• Wireshark Wireshark: version 1.4.0 only; version 1.4.1 only; version 1.4.2 only; version 1.4.3 only

Published 2011-03-03. Last modified 2026-06-16.