What is CVE-2018-7421?

CVE-2018-7421 is a high-severity vulnerability in Wireshark, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 7.5/10. Published 2018-02-23.

How severe is CVE-2018-7421?

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

Vulnerability in Wireshark

CVE-2018-7421

In Wireshark 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4, the DMP dissector could go into an infinite loop. This was addressed in epan/dissectors/packet-dmp.c by correctly supporting a bounded number of Security Categories for a DMP Security Classification.

EPSS: 0.017 (75.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Wireshark
N/a — versions n/a

Weakness classification (CWE)

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

References

cve@mitre.org (x_refsource_CONFIRM)
cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
cve@mitre.org (x_refsource_CONFIRM)
cve@mitre.org (x_refsource_CONFIRM, Exploit, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2018-7421?: CVE-2018-7421 is a high-severity vulnerability in Wireshark, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 7.5/10. Published 2018-02-23.
How severe is CVE-2018-7421?: High severity. CVSS v3 base score is 7.5 out of 10.