USN-5795-2: Net-SNMP vulnerabilities

USN-5795-1 and 5543-1 fixed several vulnerabilities in Net-SNMP. This update provides
the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.

Original advisory details:

It was discovered that Net-SNMP incorrectly handled certain requests. A
remote attacker could possibly use these issues to cause Net-SNMP to crash,
resulting in a denial of service.

Yu Zhang and Nanyu Zhong discovered that Net-SNMP incorrectly handled
memory operations when processing certain requests. A remote attacker could
use this issue to cause Net-SNMP to …

advisory crash denial of service issue memory operations requests service snmp ubuntu update usn vulnerabilities zhong