What is CVE-2018-14367?

CVE-2018-14367 is a high-severity vulnerability in Wireshark, classified under CWE-252. CVSS score: 7.5/10. Published 2018-07-19.

How severe is CVE-2018-14367?

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

Vulnerability in Wireshark

CVE-2018-14367

In Wireshark 2.6.0 to 2.6.1 and 2.4.0 to 2.4.7, the CoAP protocol dissector could crash. This was addressed in epan/dissectors/packet-coap.c by properly checking for a NULL condition.

Published 2018-07-19 · 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: 0.033 (88.0th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 88.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.033 · newest: 0.033 · change: -0.000

Affected products

Wireshark

Weakness classification (CWE)

CWE-252

References

bugs.wireshark.org/bugzilla/show_bug.cgi (Issue Tracking, Vendor Advisory)
www.securitytracker.com/id/1041608 (VDB Entry, Third Party Advisory, vdb-entry)
code.wireshark.org/review/gitweb
www.wireshark.org/security/wnpa-sec-2018-42.html (Vendor Advisory)
www.securityfocus.com/bid/104847 (VDB Entry, Third Party Advisory, vdb-entry)
lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html (vendor-advisory)

Frequently asked questions

What is CVE-2018-14367?: CVE-2018-14367 is a high-severity vulnerability in Wireshark, classified under CWE-252. CVSS score: 7.5/10. Published 2018-07-19.
How severe is CVE-2018-14367?: High severity. CVSS v3 base score is 7.5 out of 10.