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USN-4252-1: tcpdump vulnerabilities

27 January 2020

Several security issues were fixed in tcpdump.



  • tcpdump - command-line network traffic analyzer


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

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

Ubuntu 18.04
Ubuntu 16.04

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

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