CVE-2024-28732 Ryu Infinite Loop vulnerability

High 7.5 Published Updated

Remote attackers can cause a denial of service via an infinite loop in the OFPMatch parser of the Faucet SDN Ryu controller.

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-2024-28732?

CVE-2024-28732 is a high-severity denial of service vulnerability in n/a, published on 8 Apr 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered in OFPMatch in parser.py in Faucet SDN Ryu version 4.34, allows remote attackers to cause a denial of service (DoS) (infinite loop).

Weakness: CWE-835

Which versions are affected by CVE-2024-28732?

3 open source packages ship an affected version, including ryu. It affects 1 product.

PackageAffectedFixed in
ryu PyPIAll versions to 4.34None
ryu PyPIAll versions to 4.34None
ryu PyPIAll versions to 4.34None

Products include Facuet Ryu.

How do I fix CVE-2024-28732?

No fix has been published for CVE-2024-28732 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-2024-28732 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-28732 exists.

Sources

Also known as GHSA-p28x-hj68-7vfp, PYSEC-2026-1884.

Is CVE-2024-28732 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free