CVE-2026-32837: miniaudio version 0.11.25 and earlier (fixed in commits 1df46ae and 1df46ae) contain a heap out-of-bounds read

Q: How do I fix CVE-2026-32837?

miniaudio: upgrade to newer than 0.11.25. Exact commands for each OS are on this page.

Q: Is CVE-2026-32837 being exploited?

CVE-2026-32837 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-32837 affect?

CVE-2026-32837 affects miniaudio. Severity is medium (CVSS 4.0). 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

Q: How urgent is CVE-2026-32837?

Priority 23/100. Public exploit reference

Routine

MEDIUM 4.0UPGRADE

CVE-2026-32837 is a medium-severity flaw (CVSS 4.0) affecting miniaudio. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	4.0 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.2% (top 86%)
CISA exploited list	No
Weakness	CWE-170
Published	2026-03-17
Last modified	2026-07-14

Publisher (CNA): VulnCheck · Vendor: mackron

Last updated 2026-07-14 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-03-17 20:16 UTCPublished CVE record published
2026-07-14 19:16 UTCUpdated Record last modified

mackron miniaudio UPGRADE

Affected: <= 0.11.25

Fixed in: newer than 0.11.25

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy miniaudio || rpm -q miniaudio || miniaudio --version

2. UPGRADE to newer than 0.11.25 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade miniaudio

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade miniaudio

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-32837?

miniaudio: upgrade to newer than 0.11.25. Exact commands for each OS are on this page.

Is CVE-2026-32837 being exploited?

CVE-2026-32837 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-32837 affect?

CVE-2026-32837 affects miniaudio. Severity is medium (CVSS 4.0). 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

How urgent is CVE-2026-32837?

Priority 23/100. Public exploit reference

Related CVEs

CVE-2024-41147 HIGH 7.7 DOWNGRADE An out-of-bounds write vulnerability exists in the ma_dr_flac__decode_samples__lpc functionality of Miniaudio

References

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