Cyber Resilience

CVE-2021-34184

CriticalPublic PoC

Published: 25 June 2021

Published
25 June 2021
Modified
26 August 2025
KEV Added
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Patch
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CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0039 60.1th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-34184 is a critical-severity Double Free (CWE-415) vulnerability in Mackron Miniaudio. Its CVSS base score is 9.8 (Critical).

Operationally, ranked in the top 39.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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

CWE(s)
CWE-415

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

mackron
miniaudio
0.10.35

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References