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AUSCERT External Security Bulletin Redistribution
USN-4340-1: CUPS vulnerabilities
28 April 2020
AusCERT Security Bulletin Summary
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Access Confidential Data -- Existing Account
CVE Names: CVE-2020-3898 CVE-2019-2228
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USN-4340-1: CUPS vulnerabilities
27 April 2020
A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 20.04 LTS
o Ubuntu 19.10
o Ubuntu 18.04 LTS
o Ubuntu 16.04 LTS
Several security issues were fixed in CUPS.
o cups - Common UNIX Printing System
It was discovered that CUPS incorrectly handled certain language values. A
local attacker could possibly use this issue to cause CUPS to crash, leading to
a denial of service, or possibly obtain sensitive information. This issue only
applied to Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 19.10.
Stephan Zeisberg discovered that CUPS incorrectly handled certain malformed ppd
files. A local attacker could possibly use this issue to execute arbitrary
The problem can be corrected by updating your system to the following package
Ubuntu 20.04 LTS
cups - 2.3.1-9ubuntu1.1
cups - 2.2.12-2ubuntu1.1
Ubuntu 18.04 LTS
cups - 2.2.7-1ubuntu2.8
Ubuntu 16.04 LTS
cups - 2.1.3-4ubuntu0.11
To update your system, please follow these instructions: https://
In general, a standard system update will make all the necessary changes.
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