High 7.3Published Mar 3, 2026

CVE-2026-29022mackron / dr_libs dr_wav.h Heap Buffer Overflow via WAV File

Updated under an hour ago (Oct 26, 2026, 8:00 PM ET)

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It affects mackron dr_libs dr_wav.h and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for mackron dr_libs dr_wav.h

Exploited in the last 30 days

dr_libs dr_wav.h version 0.14.4 and earlier (fixed in commit 8a7258c) contain a heap buffer overflow vulnerability in the drwav__read_smpl_to_metadata_obj() function of dr_wav.h that allows memory corruption via crafted WAV files. Attackers can exploit a mismatch between sampleLoopCount validation in pass 1 and unconditional processing in pass 2 to overflow heap allocations with 36 bytes of attacker-controlled data through any drwav_init_*_with_metadata() call on untrusted input.

CVSS: 7.3 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:H
Weakness (CWE): CWE-122
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Modified
Record last updated: Jul 27, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

mackron dr_libs dr_wav.h mackron:dr_libs_dr_wav.h (from the name)	through 0.14.4; 8a7258cc66b49387ad58cc5b81568982a3560d49 not affected	CNA record
mackron dr_libs mackron:dr_libs	through 0.14.4	NVD

References

References

https://github.com/marlinkcyber/advisories/blob/main/advisories/MCSAID-2026-001-dr-libs-heap-overflow.md	technical-description, exploit, third-party-advisory
https://github.com/mackron/dr_libs/issues/296	issue-tracking, exploit, patch, third-party-advisory
https://github.com/mackron/dr_libs/commit/8a7258cc66b49387ad58cc5b81568982a3560d49	patch
https://www.vulncheck.com/advisories/mackron-dr-libs-heap-buffer-overflow-via-wav-file	third-party-advisory, vdb-entry

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.