CVE-2021-21808 Memory corruption in Accusoft
A heap buffer overflow in Accusoft ImageGear allows attackers to execute arbitrary code or cause denial of service via a crafted PNG 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-2021-21808?
CVE-2021-21808 is a high-severity memory corruption vulnerability in Accusoft Imagegear, published on 11 Jun 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A memory corruption vulnerability exists in the PNG png_palette_process functionality of Accusoft ImageGear 19.9. A specially crafted malformed file can lead to a heap buffer overflow. An attacker can provide malicious inputs to trigger this vulnerability.
Which versions are affected by CVE-2021-21808?
It affects 1 product.
Products include Accusoft Imagegear.
How do I fix CVE-2021-21808?
No fix has been published for CVE-2021-21808 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-2021-21808 being exploited?
There is no known exploitation of CVE-2021-21808 in the wild and no public exploit code.
Other vulnerabilities in Accusoft Imagegear
Sources
Also known as GHSA-22gx-8v7p-9g9p.