CVE-2025-12501 Integer overflow in GameMaker IDE
An integer overflow in GameMaker IDE allows attackers to cause application crashes via denial-of-service attacks using the network_create_server function.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-12501?
CVE-2025-12501 is a high-severity vulnerability in Opera Norway AS GameMaker IDE, published on 31 Oct 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-190
Which versions are affected by CVE-2025-12501?
How do I fix CVE-2025-12501?
No fix has been published for CVE-2025-12501 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-12501 being exploited?
There is no known exploitation of CVE-2025-12501 in the wild and no public exploit code.
Sources
Also known as GHSA-jjf8-5854-rgjh.