CVE-2011-0538: Wireshark

Medium severity, CVSS 6.8. EPSS: 7.5% chance of exploitation in the next 30 days.

Wireshark 1.2.0 through 1.2.14, 1.4.0 through 1.4.3, and 1.5.0 frees an uninitialized pointer during processing of a .pcap file in the pcap-ng format, which allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via a malformed file.

Affected products

• Wireshark Wireshark: version 1.2.0 only; version 1.2.1 only; version 1.2.2 only; version 1.2.3 only; version 1.2.4 only; version 1.2.5 only; …

Published 2011-02-08. Last modified 2026-06-16.