CVE-2010-20123

CVE-2010-20123 is a high-severity vulnerability with a CVSS 4.0 base score of 8.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-121.

Key facts

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.

Frequently asked questions

What is CVE-2010-20123?
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.
How severe is CVE-2010-20123?
CVE-2010-20123 has a CVSS 4.0 base score of 8.4, rated high severity.
Is CVE-2010-20123 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2010-20123?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2010-20123 have an EU (EUVD) identifier?
Yes. CVE-2010-20123 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2010-5324.
When was CVE-2010-20123 published?
CVE-2010-20123 was published on 2025-08-21 and last updated on 2026-06-16.

References

Other CWE-121 (Stack-based Buffer Overflow) vulnerabilities

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