CVE-2025-21085 PingFederate OAuth Grant attribute duplication may use excessive memory
Attackers can cause excessive memory utilization in PingFederate via OAuth2 grant duplication, leading to denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-21085?
CVE-2025-21085 is a low-severity denial of service vulnerability in PingFederate, published on 15 Jun 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
PingFederate OAuth2 grant duplication in PostgreSQL persistent storage allows OAuth2 requests to use excessive memory utilization.
Weakness: CWE-462
Which versions are affected by CVE-2025-21085?
How do I fix CVE-2025-21085?
No fix has been published for CVE-2025-21085 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-2025-21085 being exploited?
There is no known exploitation of CVE-2025-21085 in the wild and no public exploit code.
Sources
Also known as GHSA-4755-93r4-qvxj.