What is CVE-2017-11409?

CVE-2017-11409 is a high-severity vulnerability in Wireshark, classified under Excessive Iteration. CVSS score: 7.5/10. Published 2017-07-18.

How severe is CVE-2017-11409?

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

Vulnerability in Wireshark

CVE-2017-11409

In Wireshark 2.0.0 to 2.0.13, the GPRS LLC dissector could go into a large loop. This was addressed in epan/dissectors/packet-gprs-llc.c by using a different integer data type.

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: 0.023 (82.7th percentile), scored 2026-10-19.

Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 82.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000

Affected products

Wireshark
Debian Linux — versions 8.0

Weakness classification (CWE)

CWE-834 — Excessive Iteration

References

code.wireshark.org/review/gitweb
bugs.wireshark.org/bugzilla/show_bug.cgi (Patch, Issue Tracking, Vendor Advisory)
www.securityfocus.com/bid/99914 (VDB Entry, Third Party Advisory, vdb-entry)
www.wireshark.org/security/wnpa-sec-2017-37.html (Vendor Advisory)
lists.debian.org/debian-lts-announce/2019/01/msg00010.html (mailing-list, Mailing List, Third Party Advisory)
www.securitytracker.com/id/1038966 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2017-11409?: CVE-2017-11409 is a high-severity vulnerability in Wireshark, classified under Excessive Iteration. CVSS score: 7.5/10. Published 2017-07-18.
How severe is CVE-2017-11409?: High severity. CVSS v3 base score is 7.5 out of 10.