CVE Identifier: CVE-2011-2207 Issue: Improper handling with blocking system calls, when verifying a certificate. Impact: It causes the 'dirmngr' daemon to hang indefinitely, blocking other clients from access. This affects all applications using dirmngr in a blocking way. Test Results: The sender mentioned that the verification of the certificate "DTAG_Issuing_CA_i01.der" hung for several minutes, causing significant interruptions in a typical office environment. Affected Applications: Applications like Kontact, KMail, and command-line usage of GpgSM are affected. Security Concerns: 1. An attacker could potentially DoS a client. 2. Attackers could send signed emails or files that cause interruptions. Time Duration: Three minutes is considered too long and can cause a freeze in client applications like Kontact.