HIGH7.5

PYSEC-2026-743

Classic Buffer Overflow in pyo

Quick fix

PYSEC-2026-743 — pyo: upgrade to the fixed version with the command below.

pip install --upgrade 'pyo>=1.0.3'

Details

Buffer Overflow Vulnerability exists in ajaxsoundstudio.com in Pyo < 1.03 in the Server_debug function, which allows remote attackers to conduct DoS attacks by deliberately passing on an overlong audio file name.

Are you affected?

Enter the version of the package you're using.

Affected packages

PyPI/pyo

Introduced in: 0Fixed in: 1.0.3

Fixpip install --upgrade 'pyo>=1.0.3'

References

https://nvd.nist.gov/vuln/detail/CVE-2021-41499[ADVISORY]
https://github.com/belangeo/pyo/issues/222[WEB]
https://github.com/belangeo/pyo[PACKAGE]
https://pypi.org/project/pyo[PACKAGE]
https://github.com/advisories/GHSA-5f5c-687x-g5qm[ADVISORY]