wnpa-sec-2020-19 · Multiple dissector memory leak

Summary

Name: Multiple dissector memory leak

Docid: wnpa-sec-2020-19

Date: December 9, 2020

Affected versions: 3.4.0

Fixed versions: 3.4.1

References:
Wireshark issue 17032
CVE-2020-26419

Details

Description

Multiple dissectors could leak memory.

Impact

It may be possible to make Wireshark consume excessive CPU resources by injecting a malformed packet onto the wire or by convincing someone to read a malformed packet trace file.

Resolution

Upgrade to Wireshark 3.4.1 or later.