CVE-2010-20042

Xion Audio Player ≤ 1.0.126 Unicode Stack Buffer Overflow

8.4 HighPublic exploit

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.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: None
User interaction: Active

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.44%Up 0.4 points since Aug 21, 2025

What each source reports

CVE List Score used 8.4

Xion Audio Player ≤ 1.0.126 Unicode Stack Buffer Overflow

Record: CVE-2010-20042
CVSS 4.0: 8.4 HighCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Weakness: CWE-121
Updated: 2026-11-02

EUVDEUVD-2010-5300 8.4

Record: EUVD-2010-5300
CVSS 4.0: 8.4 HighCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-34v9-ppr5-cvwg 8.4

Xion Audio Player versions prior to 1.0.126 are vulnerable to a Unicode-based stack buffer...

Xion Audio Player versions prior to 1.0.126 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.

Record: GHSA-34v9-ppr5-cvwg
CVSS 4.0: 8.4 HighCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness: CWE-121
Updated: 2026-11-02

NVD 8.4

Record: CVE-2010-20042
CVSS 4.0: 8.4 HighCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness: CWE-121
Updated: 2026-11-02

Affected products

xion audio player

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Metasploit	Xion Audio Player 1.0.126 Unicode Stack Buffer Overflow	2010-11-23

History

History
Recorded	Changed	Sources
Nov 10, 2026	facts
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, Metasploit, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2010-20042 is a high vulnerability (CVSS 8.4) in Xion Audio Player, published August 20, 2025. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.44%, the 38th percentile. No source names a fixed version.