PT-2025-29886 · Unknown · Heroes Of Might/Magic Iii+2

John Aakerblo

+1

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Published

2025-07-16

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Updated

2025-07-17

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CVE-2025-34124

CVSS v4.0

8.4

High

VectorAV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Name of the Vulnerable Software and Affected Versions Heroes of Might and Magic III Complete versions 4.0.0.0 Heroes of Might and Magic III HD Mod versions 3.808 build 9 Heroes of Might and Magic III Demo version 1.0.0.0
Description A buffer overflow vulnerability exists due to malicious .h3m map files exploiting 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 a victim to open a malicious map file within the game.
Recommendations Heroes of Might and Magic III Complete version 4.0.0.0: At the moment, there is no information about a newer version that contains a fix for this vulnerability. Heroes of Might and Magic III HD Mod version 3.808 build 9: At the moment, there is no information about a newer version that contains a fix for this vulnerability. Heroes of Might and Magic III Demo version 1.0.0.0: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Stack Overflow

RCE

Code Injection

Weakness Enumeration

Related Identifiers

CVE-2025-34124

Affected Products

Heroes Of Might/Magic Iii Complete
Heroes Of Might/Magic Iii
Heroes Of Might/Magic Iii Hd Mod