USN-8578-1 CUPS vulnerability

It was discovered that CUPS did not properly filter control characters in IPP string attributes and PPD keywords. An unauthenticated attacker could exploit this to execute arbitrary code as the lp user on systems with shared target queues...

CLSA-2026-1777392623 cups: Fix of CVE-2026-34980

CVE-2026-34980: filter control characters from IPP option values and allowlist PPD keywords returned by filters so a remote attacker cannot inject cupsFilter/cupsFilter2 entries on a shared PostScript queue and gain code execution as the cupsd user...