CVE-2016-5356: Wireshark

Medium severity, CVSS 5.9. EPSS: 2.5% chance of exploitation in the next 30 days.

wiretap/cosine.c in the CoSine file parser in Wireshark 1.12.x before 1.12.12 and 2.x before 2.0.4 mishandles sscanf unsigned-integer processing, which allows remote attackers to cause a denial of service (application crash) via a crafted file.

Affected products

• Wireshark Wireshark: version 1.12.0 only; version 1.12.1 only; version 1.12.2 only; version 1.12.3 only; version 1.12.4 only; version 1.12.5 only; …

Published 2016-08-07. Last modified 2026-06-17.