CVE-2018-14339

wireshark: MMSE dissector infinite loop (wnpa-sec-2018-38)

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Severity

Moderate

Red Hat Product Security

5.9

CVSS 3.0

Review impact separately from score.

Published · July 18, 2018

Updated · November 22, 2025

Description

In Wireshark 2.6.0 to 2.6.1, 2.4.0 to 2.4.7, and 2.2.0 to 2.2.15, the MMSE dissector could go into an infinite loop. This was addressed in epan/proto.c by adding offset and length validation.

Statement

This issue did not affect the versions of wireshark as shipped with Red Hat Enterprise Linux 6 and 7 (versions 1.8.10 and 1.10.14, respectively).

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 5.9
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-835 · Loop with Unreachable Exit Condition ('Infinite Loop')