CVE-2007-6402: 3ivx Mpeg-4 Codec

High severity, CVSS 9.3. EPSS: 5.8% chance of exploitation in the next 30 days.

Stack-based buffer overflow in mplayerc.exe in Media Player Classic (MPC) 6.4.9, when used with the 3ivx 4.5.1 or 5.0.1 codec, allows remote attackers to execute arbitrary code via a certain .mp4 file, possibly a related issue to CVE-2007-6401.

Affected products

• 3ivx Mpeg-4 Codec: version 4.5.1 only; version 5.0.1 only
• Guliverkli Media Player Classic: version 6.4.9.0 only

Published 2007-12-17. Last modified 2026-06-16.