CVE-2025-12501
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-10-31

Last updated on: 2025-11-04

Assigner: Opera

Description
Integer overflow in GameMaker IDE below 2024.14.0 version can lead to can lead to application crashes through denial-of-service attacks (DoS). GameMaker users who use the network_create_server() function in their projects  are urged to update and recompile immediately.
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Meta Information
Published
2025-10-31
Last Modified
2025-11-04
Generated
2026-06-16
AI Q&A
2025-11-01
EPSS Evaluated
2026-06-15
NVD
CVE-2025-12501
EUVD
EUVD-2025-37358
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
yoyogames gamemaker *
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-190 The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.
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Executive Summary

CVE-2025-12501 is an integer overflow vulnerability in the network_create_server() function of GameMaker IDE versions below 2024.14.0. This flaw occurs when the function processes malformed or oversized network packets, causing the application to crash unexpectedly. The crash results in a denial-of-service (DoS) condition, preventing legitimate users from accessing the affected game or application. [1]

Impact Analysis

This vulnerability can cause your GameMaker-based application or game to crash unexpectedly when it receives specially crafted network packets. This leads to a denial-of-service (DoS) condition, making the application unavailable to legitimate users and potentially disrupting service or user experience. [1]

Detection Guidance

This vulnerability can be detected by monitoring for unexpected crashes or denial-of-service conditions in GameMaker applications that use the network_create_server() function. Since the issue arises from processing malformed or oversized packets, network traffic analysis tools could be used to identify suspicious packets targeting the server. However, no specific detection commands or signatures are provided. It is recommended to check the runtime version of your GameMaker projects; any version below 2024.14.0 using network_create_server() is vulnerable. [1]

Mitigation Strategies

To mitigate this vulnerability, immediately update your GameMaker IDE to version 2024.14.0 or higher. After updating, recompile and export all affected projects using the updated runtime version. Simply updating the IDE without recompiling projects will not protect against the vulnerability. Additionally, monitor for any unusual application crashes and engage with GameMaker support or community forums for further assistance. [1]

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