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

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

- **Severity:** High 8.4 (`CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N`)
- **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 available:** No
- **Published:** 20 Aug 2025
- **Updated:** 15 Jul 2026
- **Also known as:** GHSA-34v9-ppr5-cvwg

## 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 (Stack-based Buffer Overflow)

## 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.

## 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:

- Xion Audio Player 1.0.126 Unicode Stack Buffer Overflow (metasploit)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2010-20042 and fix it if it is affected.

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

Affected product: Xion Audio Player. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2010-20042/ (Markdown: https://insights.sbomify.com/CVE-2010-20042/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2010-20042
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2010-20042
- OSV: https://osv.dev/vulnerability/CVE-2010-20042

---
From sbomify Insights: https://insights.sbomify.com/CVE-2010-20042/
Summaries are generated and may contain mistakes; the official description above is the record.