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USN-4105-1: CUPS vulnerabilities

20 August 2019

Several security issues were fixed in CUPS.



  • cups - Common UNIX Printing System(tm)


Stephan Zeisberg discovered that the CUPS SNMP backend incorrectly handled
encoded ASN.1 inputs. A remote attacker could possibly use this issue to
cause CUPS to crash by providing specially crafted network
traffic. (CVE-2019-8696, CVE-2019-8675)

It was discovered that CUPS did not properly handle client disconnection
events. A local attacker could possibly use this issue to cause a denial of
service or disclose memory from the CUPS server.

Update instructions

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

Ubuntu 19.04
Ubuntu 18.04
Ubuntu 16.04

In general, a standard system update will make all the necessary changes.