CVE-2026-88386

Medium

Description

libsndfile 1.2.2 contains a misaligned memory access issue in psf_binheader_readf() while parsing WAV fmt chunks. A specially crafted WAV file can cause the function to cast an unaligned destination address to unsigned int * and perform a 4-byte store. This results in undefined behavior leading to denial of service.

SeverityMedium
CVSS5.5
Exploit probability—
ProductMicrosoft Azl3 Libsndfile
PublishedSep 24, 2026
First seenSep 24, 2026
Weakness typeCWE-122CWE-122

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
microsoft azl3_libsndfile_1.2.2-5No range specified—
microsoft azl3_libsndfile_1.2.2-7No range specified—

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CVE-2026-88386 · Microsoft Azl3 Libsndfile · Dark Radar