rtmpdump could be made to crash or run programs as your login if it processed a specially crafted stream.
Dave McDaniel discovered that rtmpdump incorrectly handled certain malformed streams. If a user were tricked into processing a specially crafted stream, a remote attacker could cause rtmpdump to crash, resulting in a denial of service, or possibly execute arbitrary code.
23 May 2017
A security issue affects these releases of Ubuntu and its derivatives:
rtmpdump could be made to crash or run programs as your login if it processed a specially crafted stream.
Dave McDaniel discovered that rtmpdump incorrectly handled certain malformed streams. If a user were tricked into processing a specially crafted stream, a remote attacker could cause rtmpdump to crash, resulting in a denial of service, or possibly execute arbitrary code.
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
Vulmon