CVE-2010-20042 Xion Audio Player ≤ 1.0.126 Unicode Stack Buffer Overflow

High 8.4 Published Updated

Attackers can execute arbitrary code by tricking users into opening a malicious .m3u playlist file in Xion Audio Player.

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-2010-20042?

CVE-2010-20042 is a high-severity memory corruption vulnerability in Xion Audio Player, published on 20 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

Xion Audio Player versions 1.0.126 and prior are vulnerable to a Unicode-based stack buffer overflow triggered by opening a specially crafted .m3u playlist file. The file contains an overly long string that overwrites the Structured Exception Handler (SEH) chain, allowing an attacker to hijack execution flow and run arbitrary code.

Weakness: CWE-121

Which versions are affected by CVE-2010-20042?

How do I fix CVE-2010-20042?

No fix has been published for CVE-2010-20042 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-2010-20042 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2010-20042 exists.

Public exploit code: 1 Metasploit module.

Sources

Also known as GHSA-34v9-ppr5-cvwg.

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