CVE-2021-21776 Memory corruption in Accusoft

Critical 9.8 Published Updated

A specially crafted malformed file can trigger an out-of-bounds write in Accusoft ImageGear, potentially leading to memory corruption and code execution.

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-2021-21776?

CVE-2021-21776 is a critical memory corruption vulnerability in Accusoft Imagegear, published on 31 Mar 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An out-of-bounds write vulnerability exists in the SGI Format Buffer Size Processing functionality of Accusoft ImageGear 19.8. A specially crafted malformed file can lead to memory corruption. An attacker can provide a malicious file to trigger this vulnerability.

Weakness: CWE-131

Which versions are affected by CVE-2021-21776?

It affects 1 product.

Products include Accusoft Imagegear.

How do I fix CVE-2021-21776?

No fix has been published for CVE-2021-21776 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-2021-21776 being exploited?

There is no known exploitation of CVE-2021-21776 in the wild and no public exploit code.

All Accusoft Imagegear vulnerabilities

Sources

Also known as GHSA-hvq9-73jh-xqvp.

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