CVE-2009-3553: Use-after-free vulnerability in the abstract file-descriptor handling interface in the cupsdDoSelect functi...

Security readout for executives and security teams

CVE-2009-3553 is an old CUPS printing-service flaw that can let a remote client crash or hang the print daemon. Business impact is loss of printing service, not documented data theft or system takeover. It matters most where CUPS is reachable by untrusted users or networks and handles large print-job queues. Exposure is likely limited to systems running affected CUPS versions with cupsd reachable over the network or by untrusted local clients. Internet exposure should be treated as higher operational risk. Systems without CUPS, with printing disabled, or with access restricted to trusted hosts are less exposed. Prioritize if CUPS is exposed to untrusted networks or supports business-critical printing. For internally restricted or unused print services, handle through normal patch management. The main risk is operational disruption rather than confirmed compromise. Mitigation focus: Identify systems running CUPS 1.3.7 or 1.3.10.; Apply relevant vendor security updates from your operating-system distributor.; Restrict cupsd access to trusted networks and users..

Prepared

Jun 28, 2026, 16:20 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.