CVE-2023-31979 Memory corruption in n/a

High 7.8 Published 9 May 2023 Updated 29 Jan 2025

A global buffer overflow in Catdoc allows attackers to execute arbitrary code or cause denial of service via malicious files.

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-2023-31979?

CVE-2023-31979 is a high-severity memory corruption vulnerability in n/a, published on 9 May 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Catdoc v0.95 was discovered to contain a global buffer overflow via the function process_file at /src/reader.c.

Weakness: CWE-120

Which versions are affected by CVE-2023-31979?

It affects 1 product.

Products include Fossies Catdoc.

How do I fix CVE-2023-31979?

No fix has been published for CVE-2023-31979 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-2023-31979 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-31979 exists.

Sources

Also known as DEBIAN-CVE-2023-31979, GHSA-3rq8-339r-782q, UBUNTU-CVE-2023-31979.