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AUSCERT External Security Bulletin Redistribution
22 May 2018
AusCERT Security Bulletin Summary
Operating System: Ubuntu
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
CVE Names: CVE-2017-18266
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USN-3650-1: xdg-utils vulnerability
21 May 2018
A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 18.04 LTS
o Ubuntu 17.10
o Ubuntu 16.04 LTS
o Ubuntu 14.04 LTS
xdg-utils could be made to run arbitrary code if it received a specially
o xdg-utils - desktop integration utilities from freedesktop.org
It was discovered that xdg-utils incorrectly handled certain inputs. An
attacker could possibly use this to execute arbitrary code.
The problem can be corrected by updating your system to the following package
Ubuntu 18.04 LTS
xdg-utils - 1.1.2-1ubuntu2.2
xdg-utils - 1.1.1-1ubuntu3.2
Ubuntu 16.04 LTS
xdg-utils - 1.1.1-1ubuntu1.16.04.3
Ubuntu 14.04 LTS
xdg-utils - 1.1.0~rc1-2ubuntu7.2
To update your system, please follow these instructions: https://
In general, a standard system update will make all the necessary changes.
(C) 2017 Canonical Ltd. Ubuntu and Canonical are registered trademarks of
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