An exploitable heap based buffer overflow vulnerability exists in the read_biff_next_record function of FreeXL 1.0.3. A specially crafted XLS file can cause a memory corruption resulting in remote code execution. An attacker can send malicious XLS file to trigger this vulnerability.
Created freexl tracking bugs for this issue:
Affects: epel-all [bug 1490901]
Affects: openshift-1 [bug 1490902]