CVE-2021-34185

Name: CVE-2021-34185
Creator: NVD / NIST
Published: 2021-06-25T15:15:08.083+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.68%

Last modified Jun 17, 2026

CVE-2021-34185 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Miniaudio 0.10.35 has an integer-based buffer overflow caused by an out-of-bounds left shift in drwav_bytes_to_u32 in miniaudio.h. EPSS estimates a 0.68% chance of exploitation in the next 30 days.

Description

Miniaudio 0.10.35 has an integer-based buffer overflow caused by an out-of-bounds left shift in drwav_bytes_to_u32 in miniaudio.h

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.68%

47.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-120

Affected Software

Vendor	Product	Versions
Mackron	Miniaudio	0.10.35

References

https://github.com/mackron/miniaudio/issues/320Exploit, Issue Tracking, Third Party Advisory
https://github.com/mackron/miniaudio/issues/320Exploit, Issue Tracking, Third Party Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2021-34185?

Miniaudio 0.10.35 has an integer-based buffer overflow caused by an out-of-bounds left shift in drwav_bytes_to_u32 in miniaudio.h

How severe is CVE-2021-34185?

CVE-2021-34185 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.68% probability of exploitation in the next 30 days.

How do I fix CVE-2021-34185?

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-2021-34185?

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

Scan your code now

Source: NVD / NIST