CVE-2025-59399 Denial of service in libocpp
An attacker can crash the EVerest application by triggering a secondary exception during error message generation in the libocpp library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-59399?
CVE-2025-59399 is a low-severity denial of service vulnerability in EVerest libocpp, published on 15 Sep 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
libocpp before 0.28.0 allows a denial of service (EVerest crash) because a secondary exception is thrown during error message generation.
Weakness: CWE-460
Which versions are affected by CVE-2025-59399?
How do I fix CVE-2025-59399?
No fix has been published for CVE-2025-59399 yet. Limit exposure of the affected software until one is available.
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-2025-59399 being exploited?
There is no known exploitation of CVE-2025-59399 in the wild and no public exploit code.
Sources
Also known as GHSA-x93q-cw8x-xcfq.