Cyber Resilience

CVE-2025-56226

MediumPublic PoC

Published: 14 January 2026

Published
14 January 2026
Modified
21 January 2026
KEV Added
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Patch
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CVSS Score v3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS Score 0.0011 29.3th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-56226 is a medium-severity Missing Release of Memory after Effective Lifetime (CWE-401) vulnerability in Libsndfile Project Libsndfile. Its CVSS base score is 5.3 (Medium).

Operationally, ranked at the 29.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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

CWE(s)
CWE-401

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

libsndfile project
libsndfile
1.1.0 — 1.2.2

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References