Unrated severityNVD Advisory· Published Mar 3, 2026· Updated Mar 23, 2026
mackron / dr_libs dr_wav.h Heap Buffer Overflow via WAV File
CVE-2026-29022
Description
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.
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Affected products
2Patches
Vulnerability mechanics
References
4- github.com/mackron/dr_libs/commit/8a7258cc66b49387ad58cc5b81568982a3560d49mitrepatch
- github.com/marlinkcyber/advisories/blob/main/advisories/MCSAID-2026-001-dr-libs-heap-overflow.mdmitretechnical-descriptionexploit
- www.vulncheck.com/advisories/mackron-dr-libs-heap-buffer-overflow-via-wav-filemitrethird-party-advisory
- github.com/mackron/dr_libs/issues/296mitreissue-tracking
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