CVE-2017-7703: Debian Linux

High severity, CVSS 7.5. EPSS: 3.3% chance of exploitation in the next 30 days.

In Wireshark 2.2.0 to 2.2.5 and 2.0.0 to 2.0.11, the IMAP dissector could crash, triggered by packet injection or a malformed capture file. This was addressed in epan/dissectors/packet-imap.c by calculating a line's end correctly.

Affected products

• Debian Debian Linux: version 8.0 only
• Wireshark Wireshark: version 2.0.0 only; version 2.0.1 only; version 2.0.2 only; version 2.0.3 only; version 2.0.4 only; version 2.0.5 only; …

Published 2017-04-12. Last modified 2026-06-17.