CVE-2025-20025 Denial of service in TinyCBOR libraries maintained by Intel(R)
An authenticated local attacker can cause a denial of service in Intel's TinyCBOR library via uncontrolled recursion.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-20025?
CVE-2025-20025 is a medium-severity denial of service vulnerability in TinyCBOR libraries maintained by Intel(R), published on 12 Aug 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Uncontrolled recursion for some TinyCBOR libraries maintained by Intel(R) before version 0.6.1 may allow an authenticated user to potentially enable denial of service via local access.
Weakness: CWE-674
Which versions are affected by CVE-2025-20025?
How do I fix CVE-2025-20025?
No fix has been published for CVE-2025-20025 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-2025-20025 being exploited?
There is no known exploitation of CVE-2025-20025 in the wild and no public exploit code.
Sources
Also known as GHSA-jxc5-w4cx-9chv.