1. Ubuntu Security Notices
  2. USN-4252-1

USN-4252-1: tcpdump vulnerabilities

Publication date

27 January 2020

Overview

Several security issues were fixed in tcpdump.

Releases

Packages

  • tcpdump - command-line network traffic analyzer

Details

Multiple security issues were discovered in tcpdump. A remote attacker
could use these issues to cause tcpdump to crash, resulting in a denial of
service, or possibly execute arbitrary code.

Multiple security issues were discovered in tcpdump. A remote attacker
could use these issues to cause tcpdump to crash, resulting in a denial of
service, or possibly execute arbitrary code.

Update instructions

This update uses a new upstream release, which includes additional bug fixes. In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
18.04 bionic tcpdump –  4.9.3-0ubuntu0.18.04.1
16.04 xenial tcpdump –  4.9.3-0ubuntu0.16.04.1

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References

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