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CVE PROGRAM SOURCE RECORD8.4 High

CVE-2025-34124

Heroes of Might and Magic III .h3m Map File Buffer Overflow

Description

A buffer overflow vulnerability exists in Heroes of Might and Magic III Complete 4.0.0.0, HD Mod 3.808 build 9, and Demo 1.0.0.0 via malicious .h3m map files that exploit object sprite name parsing logic. The vulnerability occurs during in-game map loading when a crafted object name causes a buffer overflow, potentially allowing arbitrary code execution. Exploitation requires the victim to open a malicious map file within the game.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

The 3DO Company Heroes of Might and Magic III

Default version status: unaffected

  • Complete 4.0.0.0affected
  • HD Mod 3.808 build 9affected
  • Demo 1.0.0.0affected

References