cups regression

USN-8405-1 fixed vulnerabilities in CUPS. The update introduced a
regression that cause CUPS to crash when parsing certain large printer PPD
files. This update fixes the problem.

Original advisory 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 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)