What’s Vulnerable › Vulnerabilities

CVE-2026-32837: mackron / miniaudio Out-of-Bounds Read in BEXT Coding History Parsing

• Severity: medium (CVSS 4.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-03-17 · updated 2026-07-14
• Weakness: CWE-170

Description

miniaudio version 0.11.25 and earlier (fixed in commits 1df46ae and 1df46ae) contain a heap out-of-bounds read vulnerability in the WAV BEXT metadata parser that allows attackers to trigger memory access violations by processing crafted WAV files. Attackers can exploit improper null-termination handling in the coding history field to cause out-of-bounds reads past the allocated metadata pool, resulting in application crashes or denial of service.

Affected products

• mackron miniaudio: through 0.11.25

References

• https://github.com/mackron/dr_libs/commit/04e40d66a7ba1632f93ec1328d4b42ad986e3ee0
• https://github.com/mackron/miniaudio/commit/1df46ae9a0eed5aa9f58b179d2cc4af5d23f8bde
• https://github.com/mackron/miniaudio/issues/1101
• https://www.vulncheck.com/advisories/mackron-miniaudio-out-of-bounds-read-in-bext-coding-history-parsing

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