CVE-2021-42704 Inkscape Out-of-bounds Write

High 7.8 Published 18 May 2022 Updated 16 Apr 2025

An out-of-bounds write vulnerability in Inkscape allows attackers to execute arbitrary code via malicious files.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: Available

What is CVE-2021-42704?

CVE-2021-42704 is a high-severity memory corruption vulnerability in Inkscape, published on 18 May 2022. 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

Inkscape version 0.91 is vulnerable to an out-of-bounds write, which may allow an attacker to arbitrary execute code.

Weakness: CWE-787

Which versions are affected by CVE-2021-42704?

It affects 1 product.

Products include Inkscape Inkscape.

How do I fix CVE-2021-42704?

Upgrade to a fixed version.

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

Is CVE-2021-42704 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-42704 exists.

Sources

Also known as DEBIAN-CVE-2021-42704, GHSA-x8w5-m57q-vrj4, UBUNTU-CVE-2021-42704.