USN-4252-1: tcpdump vulnerabilities tcpdump vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 18.04 LTS Ubuntu 16.04 LTS Summary Several security issues were fixed in tcpdump. Software Description 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. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 18.04 LTS tcpdump – 4.9.3-0ubuntu0.18.04.1 Ubuntu 16.04 LTS tcpdump – 4.9.3-0ubuntu0.16.04.1 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. This update uses a new upstream release, which includes additional bug fixes. In general, a standard system update will make all the necessary changes. References CVE-2017-16808 CVE-2018-10103 CVE-2018-10105 CVE-2018-14461 CVE-2018-14462 CVE-2018-14463 CVE-2018-14464 CVE-2018-14465 CVE-2018-14466 [ more… ]