CVE-2021-21821 Memory corruption in Accusoft
A stack-based buffer overflow in Accusoft ImageGear allows attackers to execute arbitrary code via a malicious PDF file.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-21821?
CVE-2021-21821 is a critical memory corruption vulnerability in Accusoft Imagegear, published on 8 Jul 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A stack-based buffer overflow vulnerability exists in the PDF process_fontname 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.
Which versions are affected by CVE-2021-21821?
It affects 1 product.
Products include Accusoft Imagegear.
How do I fix CVE-2021-21821?
No fix has been published for CVE-2021-21821 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-2021-21821 being exploited?
There is no known exploitation of CVE-2021-21821 in the wild and no public exploit code.
Other vulnerabilities in Accusoft Imagegear
Sources
Also known as GHSA-cmvh-8j78-w9jq.