USN-4252-2: tcpdump vulnerabilities

27 January 2020

tcpdump vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 14.04 ESM
  • Ubuntu 12.04 ESM


Several security issues were fixed in tcpdump.

Software Description

  • tcpdump - command-line network traffic analyzer


USN-4252-1 fixed several vulnerabilities in tcpdump. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory 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.

Update instructions

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

Ubuntu 14.04 ESM
tcpdump - 4.9.3-0ubuntu0.14.04.1+esm1
Ubuntu 12.04 ESM
tcpdump - 4.9.3-0ubuntu0.12.04.1

To update your system, please follow these 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.