CVE-2025-56226

Libsndfile <=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 is fixed in libsndfile on 1 platform, first by DEBIAN-CVE-2025-56226, released January 14, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine

CVSS

5.3

Moderate

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0037

31st percentile

Libsndfile <=1.2.2 contains a memory leak vulnerability in the mpeg_l3_encoder_init() function within the mpeg_l3_encode.c file.

Where it's fixed

Product	Fixed in	Fix	Released
Linux
libsndfile · Debian 13.5 (trixie)	1.2.2-2+deb13u1	DEBIAN-CVE-2025-56226	Jan 14, 2026
libsndfile · Debian 14	1.2.2-4	DEBIAN-CVE-2025-56226	Jan 14, 2026

Details

Published
January 14, 2026
Weakness
Missing Release of Memory after Effective Lifetime
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-56226

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