CVE-2018-14521: Vulnerability in aubio package

aubio Updated 02 Oct 2025

Summary

23/07/2018
Yes i
High
8.8

CVE-2018-14521: An issue was discovered in aubio 0.4.6. A SEGV signal can occur in aubio_source_avcodec_readframe in io/source_avcodec.c, as demonstrated by aubiomfcc. Affects aubio versions < 0.4.7. Fixed in 0.4.7. How to fix ↓

Also tracked for

The same CVE-2018-14521 is tracked separately for each ecosystem and vendor. Its fix information is the same; the package and affected versions differ.

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Background

The aubio package is a Python library for audio analysis. It provides functionalities for audio signal processing, including pitch detection, beat tracking, and onset detection. The package is widely used in various applications that require audio analysis and processing.

Vulnerability Detail

The vulnerability (CVE-2018-14521) in aubio version 0.4.6 allows for a SEGV (Segmentation Violation) signal to occur in the function aubio_source_avcodec_readframe in the file io/source_avcodec.c. This vulnerability can be triggered by using the aubiomfcc function. A malicious actor could exploit this vulnerability to cause a denial-of-service (DoS) attack or potentially execute arbitrary code.

How To Fix

Latest published version: 0.4.9 as of 23 Oct 2026

pip install --upgrade "aubio==0.4.9"

Upgrading to it may include breaking changes; the version below is the minimum fixed release for this vulnerability.

If you need the minimum change

0.4.7

This is the first release that contains the fix.

pip install --upgrade "aubio==0.4.7"

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Workaround

There is no specific workaround mentioned for this vulnerability.

Conclusion

The vulnerability (CVE-2018-14521) in the aubio package version 0.4.6 can lead to a denial-of-service (DoS) attack or potential execution of arbitrary code. It is recommended to upgrade to aubio version 0.4.7 or later to fix this vulnerability. For further support on vulnerability remediation, you can contact DevNack.com.

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FAQ

Aubio is a Python library for audio analysis and processing.

This vulnerability can lead to a denial-of-service (DoS) attack or potential execution of arbitrary code.

You can use the Vulert Playground (https://vulert.com/scanner) to check if your application is affected by this vulnerability. Simply provide your Pipfile.lock and the playground will analyze it for open-source vulnerabilities.

Yes, upgrading to aubio version 0.4.7 or later will fix this vulnerability.

No specific workarounds have been mentioned for this vulnerability.

Related vulnerabilities

Recent vulnerabilities recorded for aubio.

How To Fix

Latest published version: 0.4.9 as of 23 Oct 2026

pip install --upgrade "aubio==0.4.9"

Upgrading to it may include breaking changes; the version below is the minimum fixed release for this vulnerability.

If you need the minimum change

0.4.7

This is the first release that contains the fix.

pip install --upgrade "aubio==0.4.7"

Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →

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