CVE-2025-63657 Denial of service in n/a
Attackers can cause a Denial of Service in the Monkey web server by sending crafted HTTP requests that trigger an out-of-bounds read.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-63657?
CVE-2025-63657 is a high-severity denial of service vulnerability in n/a, published on 29 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An out-of-bounds read in the mk_mimetype_find function (mk_server/mk_mimetype.c) of monkey commit f37e984 allows attackers to cause a Denial of Service (DoS) via sending a crafted HTTP request to the server.
Weakness: CWE-125
Which versions are affected by CVE-2025-63657?
It affects 1 product.
Products include Monkey-Project Monkey.
How do I fix CVE-2025-63657?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-63657 being exploited?
There is no known exploitation of CVE-2025-63657 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as AZL-76361, AZL-76392, GHSA-85hw-h8w6-r53j.