CVE-2021-40241 Memory corruption in n/a

Critical 9.8 Published 31 Oct 2022 Updated 7 May 2025

A buffer overflow in xfig allows attackers to execute arbitrary code or cause a denial of service via crafted input.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2021-40241?

CVE-2021-40241 is a critical memory corruption vulnerability in n/a, published on 31 Oct 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

xfig 3.2.7 is vulnerable to Buffer Overflow.

Weakness: CWE-120

Which versions are affected by CVE-2021-40241?

It affects 1 product.

Products include Xfig Project Xfig.

How do I fix CVE-2021-40241?

Apply the vendor's patch.

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

Is CVE-2021-40241 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-40241 exists.

Sources

Also known as DEBIAN-CVE-2021-40241, DLA-3353-1, GHSA-m4gh-3245-h724, MGASA-2023-0101, UBUNTU-CVE-2021-40241.