CVE Database›CVE-2020-26418

CVE-2020-26418

wireshark: Kafka dissector memory leak (wnpa-sec-2020-16)

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Severity

Low

Red Hat Product Security

5.9

CVSS 3.1

Review impact separately from score.

Published · December 9, 2020

Updated · February 24, 2026

Description

A flaw was discovered in the Apache Kafka protocol dissector of Wireshark while decoding packets captured in a pcap file or coming from the network. A remote attacker may abuse this flaw by sending specially crafted packets that, when processed, would potentially make Wireshark crash resulting in a denial of service. The highest threat from this vulnerability is to system availability.

Statement

This issue does not affect the versions of wireshark as shipped with Red Hat Enterprise Linux 5, 6, and 7, as they did not include support for the Apache Kafka dissector.

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 3.1 · 5.9
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-770 · Allocation of Resources Without Limits or Throttling