Vulnerability · Published Mar 17, 2026 · Assigned by VulnCheck
CVE-2026-32837mackron / miniaudio Out-of-Bounds Read in BEXT Coding History Parsing
Medium 4.0
In plain English
A medium-severity security flaw in miniaudio from mackron. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 15% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official 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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:13 | miniaudio | no fix listed | DEBIAN-CVE-2026-32837 |
| Debian:14 | miniaudio | 0.11.25+dfsg-1 | DEBIAN-CVE-2026-32837 |
| Ubuntu:24.04:LTS | miniaudio | no fix listed | UBUNTU-CVE-2026-32837 |
| Ubuntu:25.10 | miniaudio | no fix listed | UBUNTU-CVE-2026-32837 |
| Ubuntu:26.04:LTS | miniaudio | no fix listed | UBUNTU-CVE-2026-32837 |
| Ubuntu:26.10 | miniaudio | no fix listed | UBUNTU-CVE-2026-32837 |
Affected products (as reported)
Weakness: CWE-170 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
References
- https://github.com/mackron/miniaudio/issues/1101 issue-tracking
- https://github.com/mackron/miniaudio/commit/1df46ae9a0eed5aa9f58b179d2cc4af5d23f8bde patch
- https://github.com/mackron/dr_libs/commit/04e40d66a7ba1632f93ec1328d4b42ad986e3ee0 patch
- https://www.vulncheck.com/advisories/mackron-miniaudio-out-of-bounds-read-in-bext-coding-history-parsing third-party-advisory