Packages
- cups - Common UNIX Printing System(tm)
Details
Ariel Silver discovered that CUPS incorrectly handled username comparisons
during authorization checks. A local attacker could possibly use this issue
to gain unauthorized access to restricted operations. (CVE-2026-27447)
Asim Viladi Oglu Manizada discovered that CUPS incorrectly handled
notify-recipient-uri values in the RSS notifier. A remote attacker could
possibly use this issue to overwrite lp-writable files and cause a denial
of service. (CVE-2026-34978)
Jacob Newman discovered that CUPS incorrectly handled filter option strings
when processing job attributes. An attacker could use this issue to cause
CUPS to crash, resulting in a denial of service, or possibly execute
arbitrary code. (CVE-2026-34979)
Asim Viladi Oglu Manizada discovered that CUPS incorrectly handled
page-border values in shared...
Ariel Silver discovered that CUPS incorrectly handled username comparisons
during authorization checks. A local attacker could possibly use this issue
to gain unauthorized access to restricted operations. (CVE-2026-27447)
Asim Viladi Oglu Manizada discovered that CUPS incorrectly handled
notify-recipient-uri values in the RSS notifier. A remote attacker could
possibly use this issue to overwrite lp-writable files and cause a denial
of service. (CVE-2026-34978)
Jacob Newman discovered that CUPS incorrectly handled filter option strings
when processing job attributes. An attacker could use this issue to cause
CUPS to crash, resulting in a denial of service, or possibly execute
arbitrary code. (CVE-2026-34979)
Asim Viladi Oglu Manizada discovered that CUPS incorrectly handled
page-border values in shared PostScript queues. A remote attacker could
possibly use this issue to execute arbitrary code. (CVE-2026-34980)
Asim Viladi Oglu Manizada discovered that CUPS incorrectly handled
localhost authentication to attacker-controlled IPP services. A local
attacker could possibly use this issue to overwrite arbitrary files
and execute arbitrary code. (CVE-2026-34990)
Tomer Fichman discovered that CUPS incorrectly handled negative
job-password-supported values. A local attacker could possibly use this
issue to cause CUPS to crash, resulting in a denial of service.
(CVE-2026-39314)
Tomer Fichman discovered that CUPS incorrectly handled temporary printer
deletion. An attacker could possibly use this issue to cause CUPS to crash,
resulting in a denial of service, or to execute arbitrary code.
(CVE-2026-39316)
Tomer Fichman discovered that CUPS incorrectly handled certain malformed
SNMP responses. An attacker could possibly use this issue to obtain
sensitive information. (CVE-2026-41079)
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 | ||
|---|---|---|---|
| 26.04 LTS resolute | cups – 2.4.16-1ubuntu1.2 | ||
| cups-daemon – 2.4.16-1ubuntu1.2 | |||
| 25.10 questing | cups – 2.4.12-0ubuntu3.9 | ||
| cups-daemon – 2.4.12-0ubuntu3.9 | |||
| 24.04 LTS noble | cups – 2.4.7-1.2ubuntu7.13 | ||
| cups-daemon – 2.4.7-1.2ubuntu7.13 | |||
| 22.04 LTS jammy | cups – 2.4.1op1-1ubuntu4.20 | ||
| cups-daemon – 2.4.1op1-1ubuntu4.20 | |||
Reduce your security exposure
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