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fkie_cve-2026-71261

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.

GHSA-cfw7-vmp5-wg69

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. The subsequent read in drwav__read_cue_to_metadata_obj() computes the actual cue point count and allocation size using the full-precision, attacker-controlled cuePointCount field without cross-checking it against the stage-1 capacity estimate, and the only bounds enforcement on the resulting memory region (drwav__metadata_get_memory()) is a DRWAV_ASSERT, which compiles to a no-op under -DNDEBUG (the default for release builds). A crafted W64 WAV file can therefore cause a heap buffer overflow in any 32-bit application parsing untrusted WAV metadata.

UBUNTU-CVE-2026-71261

Affected: Ubuntu:16.04:LTS: qtads, Ubuntu:18.04:LTS: qtads, Ubuntu:20.04:LTS: qtads, Ubuntu:22.04:LTS: qt6-multimedia, Ubuntu:22.04:LTS: qtads, Ubuntu:24.04:LTS: libchdr, Ubuntu:24.04:LTS: qt6-multimedia, Ubuntu:24.04:LTS: qtads, Ubuntu:26.04:LTS: libchdr, Ubuntu:26.04:LTS: qt6-multimedia and 1 more