CVE-2021-33983 Memory corruption in n/a

High 7.8 Published Updated

A local attacker can execute arbitrary code via a buffer overflow in the flatcc library's error handling function.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-33983?

CVE-2021-33983 is a high-severity memory corruption vulnerability in n/a, published on 17 Feb 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Buffer Overflow vulnerability in Dvidelabs flatcc v.0.6.0 allows local attacker to execute arbitrary code via the fltacc execution of the error_ref_sym function.

Weakness: CWE-120

Which versions are affected by CVE-2021-33983?

It affects 1 product.

Products include Flatcc Project Flatcc.

How do I fix CVE-2021-33983?

No fix has been published for CVE-2021-33983 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2021-33983 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-33983 exists.

Sources

Also known as GHSA-vpxc-2f6h-gj8m.

Is CVE-2021-33983 in your software?

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

Check your SBOMs for free