USN-6391-2: CUPS vulnerability
21 September 2023
CUPS could be made to crash or run programs if it opened a specially crafted file.
Releases
Packages
- cups - Common UNIX Printing System(tm)
Details
USN-6391-1 fixed a vulnerability in CUPS. This update provides
the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.
Original advisory details:
It was discovered that CUPS incorrectly parsed certain Postscript objects.
If a user or automated system were tricked into printing a specially
crafted document, a remote attacker could use this issue to cause CUPS to
crash, resulting in a denial of service, or possibly execute arbitrary
code.
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 18.04
-
cups
-
2.2.7-1ubuntu2.10+esm2
Available with Ubuntu Pro
Ubuntu 16.04
-
cups
-
2.1.3-4ubuntu0.11+esm4
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.
References
Related notices
- USN-6391-1: cups, cups-core-drivers, libcupsimage2-dev, cups-ppdc, libcups2, libcups2-dev, cups-daemon, cups-server-common, cups-common, libcupsimage2, cups-client, cups-bsd, cups-ipp-utils
- USN-6392-1: libppd-utils, libppd2-common, libppd-dev, libppd2, libppd-tests, libppd, ppdc