CVE-2012-3939: Cisco Webex Recording Format Player

High severity, CVSS 9.3. EPSS: 5.2% chance of exploitation in the next 30 days.

Buffer overflow in the Cisco WebEx Recording Format (WRF) player T27 before LD SP32 EP10 and T28 before T28.4 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted WRF file, aka Bug ID CSCua61331.

Affected products

• Cisco Webex Recording Format Player: version 27.11.26 only; version 27.21.10 only; version 27.25.10 only; version 27.32.1 only; version 28.0.0 only

Published 2012-10-25. Last modified 2026-06-16.