CVE-2020-37066 GoldWave 5.70 – Buffer Overflow (SEH Unicode)
Attackers can execute arbitrary code by tricking users into opening a maliciously crafted Unicode text file in GoldWave.
- 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-2020-37066?
CVE-2020-37066 is a high-severity memory corruption vulnerability in GoldWave, published on 3 Feb 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
GoldWave 5.70 contains a buffer overflow vulnerability that allows attackers to execute arbitrary code by crafting malicious input in the File Open URL dialog. Attackers can generate a specially crafted text file with Unicode-encoded shellcode to trigger a stack-based overflow and execute commands when the file is opened.
Weakness: CWE-121
Which versions are affected by CVE-2020-37066?
How do I fix CVE-2020-37066?
No fix has been published for CVE-2020-37066 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-2020-37066 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-37066 exists.
Sources
Also known as GHSA-m6x4-wg6v-8g95.