CVE-2021-3624 Integer overflow in dcraw

High 7.8 Published 18 Apr 2022 Updated 3 Aug 2024

An integer overflow in dcraw allows arbitrary code execution when processing a maliciously crafted X3F image file.

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-2021-3624?

CVE-2021-3624 is a high-severity vulnerability in Debian Debian Linux, published on 18 Apr 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

There is an integer overflow vulnerability in dcraw. When the victim runs dcraw with a maliciously crafted X3F input image, arbitrary code may be executed in the victim's system.

Weakness: CWE-190, CWE-20

Which versions are affected by CVE-2021-3624?

It affects 2 products.

Products include Dcraw Project Dcraw, Debian Debian Linux.

How do I fix CVE-2021-3624?

Apply the vendor's patch.

Is CVE-2021-3624 being exploited?

There is no known exploitation of CVE-2021-3624 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2021-3624, GHSA-rj98-5wmh-q944, UBUNTU-CVE-2021-3624.