[ CVE-2026-88386 · Published 24 Sep 2026 ]
Vulnerability
CVSS 5.5
EPSS <1%1 agency advisoryNo fix listed yet
[ Why it matters ]Priority signals
- Public proof-of-concept exploit exists (CISA SSVC)
[ Description ]Official 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.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.
[ Advisories ]Government CERT advisories
-
BSI CERT-BundWID-SEC-2026-3580
libsndfile: Multiple vulnerabilities allow denial of service Translated from German