CVE-2021-36064 XMP Toolkit SDK SVG_Adapter ParseFullNS Buffer Underflow

High 7.8 Published 1 Sep 2021 Updated 3 Nov 2025

A buffer underflow in the XMP Toolkit allows arbitrary code execution when a user opens a malicious 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-2021-36064?

CVE-2021-36064 is a high-severity memory corruption vulnerability in Debian Debian Linux, published on 1 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

XMP Toolkit version 2020.1 (and earlier) is affected by a Buffer Underflow vulnerability which 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 file.

Weakness: CWE-124

Which versions are affected by CVE-2021-36064?

It affects 2 products.

Products include Adobe Xmp Toolkit Software Development Kit, Debian Debian Linux.

How do I fix CVE-2021-36064?

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-2021-36064 being exploited?

There is no known exploitation of CVE-2021-36064 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2021-36064, GHSA-5w34-q6xm-8g89, UBUNTU-CVE-2021-36064.