CVE-2021-21949 Memory corruption in ImageGear
A specially crafted JPEG file can trigger an out-of-bounds write in Accusoft ImageGear, potentially allowing remote 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-2021-21949?
CVE-2021-21949 is a critical memory corruption vulnerability in Accusoft Imagegear, published on 14 Apr 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An improper array index validation vulnerability exists in the JPEG-JFIF Scan header parser functionality of Accusoft ImageGear 19.10. A specially-crafted file can lead to an out-of-bounds write and potential code exectuion. An attacker can provide a malicious file to trigger this vulnerability.
Weakness: CWE-129
Which versions are affected by CVE-2021-21949?
It affects 1 product.
Products include Accusoft Imagegear.
How do I fix CVE-2021-21949?
No fix has been published for CVE-2021-21949 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-2021-21949 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-21949 exists.
Other vulnerabilities in Accusoft Imagegear
Sources
Also known as GHSA-g249-cxxv-rvh9.