What is CVE-2026-32837?

CVE-2026-32837 is a medium-severity vulnerability in Mackron Miniaudio, classified under Improper Null Termination. CVSS score: 4.0/10. Published 2026-03-17.

How severe is CVE-2026-32837?

Medium severity. CVSS v3 base score is 4.0 out of 10.

Vulnerability in Mackron Miniaudio

CVE-2026-32837

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 WA…

EPSS: 0.000 (0.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Mackron Miniaudio — versions 0, 1df46ae9a0eed5aa9f58b179d2cc4af5d23f8bde

Weakness classification (CWE)

CWE-170 — Improper Null Termination

References

github.com/mackron/miniaudio/issues/1101 (issue-tracking)
github.com/mackron/miniaudio/commit/1df46ae9a0eed5aa9f58b179d2cc4af5d23f8bde (patch)
github.com/mackron/dr_libs/commit/04e40d66a7ba1632f93ec1328d4b42ad986e3ee0 (patch)
www.vulncheck.com/advisories/mackron-miniaudio-out-of-bounds-read-in-bext-codin… (third-party-advisory)

Frequently asked questions

What is CVE-2026-32837?: CVE-2026-32837 is a medium-severity vulnerability in Mackron Miniaudio, classified under Improper Null Termination. CVSS score: 4.0/10. Published 2026-03-17.
How severe is CVE-2026-32837?: Medium severity. CVSS v3 base score is 4.0 out of 10.