What is CVE-2017-11406?

CVE-2017-11406 is a high-severity vulnerability in Wireshark, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 7.5/10. Published 2017-07-18.

How severe is CVE-2017-11406?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Wireshark

CVE-2017-11406

In Wireshark 2.2.0 to 2.2.7 and 2.0.0 to 2.0.13, the DOCSIS dissector could go into an infinite loop. This was addressed in plugins/docsis/packet-docsis.c by rejecting invalid Frame Control parameter values.

Published 2017-07-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.030 (87.0th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.030 · newest: 0.030 · change: 0.000

Affected products

Wireshark
Debian Linux — versions 8.0

Weakness classification (CWE)

CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)

References

code.wireshark.org/review/gitweb
www.securityfocus.com/bid/99903 (VDB Entry, Third Party Advisory, vdb-entry)
lists.debian.org/debian-lts-announce/2019/01/msg00010.html (mailing-list, Mailing List, Third Party Advisory)
www.wireshark.org/security/wnpa-sec-2017-36.html (Vendor Advisory)
bugs.wireshark.org/bugzilla/show_bug.cgi (Patch, Issue Tracking, Vendor Advisory)
www.securitytracker.com/id/1038966 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2017-11406?: CVE-2017-11406 is a high-severity vulnerability in Wireshark, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 7.5/10. Published 2017-07-18.
How severe is CVE-2017-11406?: High severity. CVSS v3 base score is 7.5 out of 10.