CVE-2021-47774 Kingdia CD Extractor 3.0.2 - Buffer Overflow (SEH)
Attackers can execute arbitrary code via a buffer overflow in the registration name field of Kingdia CD Extractor.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-47774?
CVE-2021-47774 is a high-severity memory corruption vulnerability in En Kingdia CD Extractor, published on 15 Jan 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Kingdia CD Extractor 3.0.2 contains a buffer overflow vulnerability in the registration name field that allows attackers to execute arbitrary code. Attackers can craft a malicious payload exceeding 256 bytes to overwrite Structured Exception Handler and gain remote code execution through a bind shell.
Weakness: CWE-787
Which versions are affected by CVE-2021-47774?
How do I fix CVE-2021-47774?
No fix has been published for CVE-2021-47774 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-2021-47774 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-47774 exists.
Sources
Also known as GHSA-6cgw-8ph2-5x7r.