CVE-2009-4863: Ultraplayer Media Player

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

Stack-based buffer overflow in UltraPlayer Media Player 2.112 allows remote attackers to execute arbitrary code via a long string in a .usk file.

Affected products

• Ultraplayer Ultraplayer Media Player: version 2.112 only

Published 2010-05-11. Last modified 2026-06-16.