Mandriva Linux Security Advisory – A format string flaw was discovered in how ekiga processes certain messages, which could permit a remote attacker that can connect to ekiga to potentially execute arbitrary code with the privileges of the user running ekiga. This is similar to the previous CVE-2007-1006, but the original evaluation/patches were incomplete.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/55022/MDKSA-2007-058.txt
Source: https://packetstormsecurity.com/files/55022/Mandriva-Linux-Security-Advisory-2007.058.html