What is CVE-2025-56226?

CVE-2025-56226 is a medium-severity vulnerability in Libsndfile_project Libsndfile, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 5.3/10. Published 2026-01-14.

How severe is CVE-2025-56226?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Libsndfile_project Libsndfile

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.

EPSS: 0.003 (22.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Libsndfile_project Libsndfile
N/a — versions n/a

Weakness classification (CWE)

CWE-401 — Missing Release of Memory after Effective Lifetime

References

cve@mitre.org (Exploit, Issue Tracking)
cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-56226?: CVE-2025-56226 is a medium-severity vulnerability in Libsndfile_project Libsndfile, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 5.3/10. Published 2026-01-14.
How severe is CVE-2025-56226?: Medium severity. CVSS v3 base score is 5.3 out of 10.