Packages
- cups - Common UNIX Printing System(tm)
Details
USN-7912-1 fixed vulnerabilities in CUPS. This update provides the
corresponding update for Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu
20.04 LTS.
Original advisory details:
Johannes Meixner and Paul Zirnik discovered that CUPS incorrectly handled
clients that send messages slowly. A remote attacker could possibly use
this issue to cause CUPS to stop responding, resulting in a denial of
service. (CVE-2025-58436)
In addition, this update fixes a regression introduced in USN-7897-1 which
resulted in certain invalid configuration file directives to cause the
CUPS daemon to fail to start.
USN-7912-1 fixed vulnerabilities in CUPS. This update provides the
corresponding update for Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu
20.04 LTS.
Original advisory details:
Johannes Meixner and Paul Zirnik discovered that CUPS incorrectly handled
clients that send messages slowly. A remote attacker could possibly use
this issue to cause CUPS to stop responding, resulting in a denial of
service. (CVE-2025-58436)
In addition, this update fixes a regression introduced in USN-7897-1 which
resulted in certain invalid configuration file directives to cause the
CUPS daemon to fail to start.
Update instructions
In general, a standard system update will make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 20.04 LTS focal | cups – 2.3.1-9ubuntu1.9+esm4 | ||
| cups-daemon – 2.3.1-9ubuntu1.9+esm4 | |||
| 18.04 LTS bionic | cups – 2.2.7-1ubuntu2.10+esm10 | ||
| cups-daemon – 2.2.7-1ubuntu2.10+esm10 | |||
| 16.04 LTS xenial | cups – 2.1.3-4ubuntu0.11+esm12 | ||
| cups-daemon – 2.1.3-4ubuntu0.11+esm12 | |||
Reduce your security exposure
Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.