CVE-2021-39831 Adobe FrameMaker PDF File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

High 7.8 Published Updated

An attacker can execute arbitrary code by tricking a user into opening a malicious PDF file in Adobe FrameMaker.

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-2021-39831?

CVE-2021-39831 is a high-severity memory corruption vulnerability in Adobe Framemaker, published on 29 Sep 2021. 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 Framemaker versions 2019 Update 8 (and earlier) and 2020 Release Update 2 (and earlier) are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious PDF file.

Weakness: CWE-787

Which versions are affected by CVE-2021-39831?

It affects 1 product.

Products include Adobe Framemaker.

How do I fix CVE-2021-39831?

No fix has been published for CVE-2021-39831 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-2021-39831 being exploited?

There is no known exploitation of CVE-2021-39831 in the wild and no public exploit code.

All Adobe Framemaker vulnerabilities

Sources

Also known as GHSA-7gw3-q9vq-vw4p.

Is CVE-2021-39831 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free