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.
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Thu, 17 Jul 2025 20:15:00 +0000
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Wed, 16 Jul 2025 21:30:00 +0000
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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. | |
Title | Heroes of Might and Magic III .h3m Map File Buffer Overflow | |
Weaknesses | CWE-121 CWE-20 CWE-94 |
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Status: PUBLISHED
Assigner: VulnCheck
Published: 2025-07-16T21:08:33.123Z
Updated: 2025-07-17T19:39:42.701Z
Reserved: 2025-04-15T19:15:22.561Z
Link: CVE-2025-34124

Updated: 2025-07-17T19:39:38.351Z

Status : Awaiting Analysis
Published: 2025-07-16T22:15:23.840
Modified: 2025-07-17T21:15:50.197
Link: CVE-2025-34124

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