CVE-2010-20123 Steinberg MyMP3Player <= 3.0.0.67 Buffer Overflow
A stack-based buffer overflow in Steinberg MyMP3Player allows arbitrary code execution when a user opens a malicious .m3u playlist file.
- 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-2010-20123?
CVE-2010-20123 is a high-severity memory corruption vulnerability in Steinberg MyMP3Player, published on 21 Aug 2025. 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
Steinberg MyMP3Player version 3.0 (build 3.0.0.67) is vulnerable to a stack-based buffer overflow when parsing .m3u playlist files. The application fails to properly validate the length of input data within the playlist, allowing a specially crafted file to overwrite critical memory structures and execute arbitrary code. This vulnerability can be exploited locally by convincing a user to open a malicious .m3u file.
Weakness: CWE-121
Which versions are affected by CVE-2010-20123?
How do I fix CVE-2010-20123?
No fix has been published for CVE-2010-20123 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-2010-20123 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2010-20123 exists.
Public exploit code: 1 Metasploit module.
Sources
Also known as GHSA-38rv-27c8-8mp2.