CVE-2021-34184

Name: CVE-2021-34184
Creator: NVD / NIST
Published: 2021-06-25T15:15:08.04+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.15%

Last modified Jun 17, 2026

CVE-2021-34184 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Miniaudio 0.10.35 has a Double free vulnerability that could cause a buffer overflow in ma_default_vfs_close__stdio in miniaudio.h.. EPSS estimates a 1.15% chance of exploitation in the next 30 days.

Description

Miniaudio 0.10.35 has a Double free vulnerability that could cause a buffer overflow in ma_default_vfs_close__stdio in miniaudio.h.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.15%

62.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-415

Affected Software

Vendor	Product	Versions
Mackron	Miniaudio	0.10.35

References

https://github.com/mackron/miniaudio/issues/319Exploit, Issue Tracking, Patch, Third Party Advisory
https://github.com/mackron/miniaudio/issues/319Exploit, Issue Tracking, Patch, Third Party Advisory

Timeline

Published: Jun 25, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-34184?

Miniaudio 0.10.35 has a Double free vulnerability that could cause a buffer overflow in ma_default_vfs_close__stdio in miniaudio.h.

How severe is CVE-2021-34184?

CVE-2021-34184 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.15% probability of exploitation in the next 30 days.

How do I fix CVE-2021-34184?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-34184?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST