CVE-2021-21821: Buffer Overflow

Published Jul 8, 2021

Updated

A stack-based buffer overflow vulnerability exists in the PDF processfontname functionality of Accusoft ImageGear 19.9. A specially crafted malformed file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.

Affected Software

1 affected component

Accusoft ImageGear=19.9

Event History

Jul 8, 2021

CVE Published

via MITRE·10:57 AM

Data Sourced

via MITRE·10:57 AM

DescriptionSeverityWeakness

Frequently Asked Questions

What is CVE-2021-21821?

CVE-2021-21821 is a stack-based buffer overflow vulnerability in the PDF process_fontname functionality of Accusoft ImageGear 19.9.

What is the severity of CVE-2021-21821?

CVE-2021-21821 has a severity rating of 9.8 (Critical).

How does CVE-2021-21821 affect Accusoft ImageGear 19.9?

CVE-2021-21821 can be exploited by providing a specially crafted malformed file to the affected software, which can lead to code execution.

Is there a known fix for CVE-2021-21821?

At the moment, there is no known fix for CVE-2021-21821. It is recommended to follow the vendor's security advisory for updates and mitigation measures.

Where can I find more information about CVE-2021-21821?

You can find more information about CVE-2021-21821 on the Talos Intelligence vulnerability report: [link](https://talosintelligence.com/vulnerability_reports/TALOS-2021-1286).