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Libsndfile: Critical Memory Leak Vulnerability in Specific Encoder

OESA-2026-1606
Summary

A memory leak issue exists in a specific encoder in Libsndfile, a library used to read and write audio files. This vulnerability could allow an attacker to cause a program using Libsndfile to run out of memory, potentially leading to a crash or other issues. Update to the latest version of Libsndfile to fix the issue.

What to do
  • Update libsndfile to version 1.2.2-4.oe2403sp3.
Affected software
VendorProductAffected versionsFix available
– libsndfile <= 1.2.2-4.oe2403sp3 1.2.2-4.oe2403sp3
Original title
libsndfile security update
Original description
Libsndfile is a C library for reading and writing files containing sampled sound such as MS Windows WAV and the Apple/SGI AIFF format through one standard library interface.

Security Fix(es):

Libsndfile &lt;=1.2.2 contains a memory leak vulnerability in the mpeg_l3_encoder_init() function within the mpeg_l3_encode.c file.(CVE-2025-56226)
Published: 15 Mar 2026 · Updated: 15 Mar 2026 · First seen: 15 Mar 2026