CVE-2021-42533 Adobe Bridge DCM File Parsing Double Free Remote Code Execution Vulnerability

High 7.8 Published 16 Mar 2022 Updated 23 Apr 2025

A double free vulnerability in Adobe Bridge allows arbitrary code execution via a crafted DCM file, requiring user interaction.

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: None listed

What is CVE-2021-42533?

CVE-2021-42533 is a high-severity use after free vulnerability in Adobe Bridge, published on 16 Mar 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

Adobe Bridge version 11.1.1 (and earlier) is affected by a double free vulnerability when parsing a crafted DCM file, which could result in arbitrary code execution in the context of the current user. This vulnerability requires user interaction to exploit.

Weakness: CWE-415

Which versions are affected by CVE-2021-42533?

It affects 1 product.

Products include Adobe Bridge.

How do I fix CVE-2021-42533?

No fix has been published for CVE-2021-42533 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2021-42533 being exploited?

There is no known exploitation of CVE-2021-42533 in the wild and no public exploit code.

All Adobe Bridge vulnerabilities

Sources

Also known as GHSA-r2vp-qcg8-m2f6.