Vulnerabilities CVE-2026-71261

CVE-2026-71261

High

Open

TLP:CLEAR

dr_wav.h W64 CUE Chunk Metadata Parsing Integer Overflow Leading to Heap Buffer Overflow on 32-bit Builds

NVD CVE.org

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Description

dr_libs dr_wav.h (all versions through current master) contains an integer overflow in W64 CUE chunk metadata parsing. In drwav__metadata_process_chunk, a stage-1 capacity estimate truncates the 64-bit W64 chunk sizeInBytes to size_t before dividing by DRWAV_CUE_POINT_BYTES; on 32-bit builds this truncation causes the pre-allocated extra metadata capacity to be computed incorrectly.

Details

CVSS Score: 7.8
EPSS Score ⓘ: 0.13%

2.8th percentile
CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Confidence: 90%
Published: Aug 5, 2026
Last Modified: Aug 10, 2026

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