Medium severity · published Jan 14, 2026
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
5.3
CVSS
0.4%
EPSS
No
On KEV
Description
Libsndfile <=1.2.2 contains a memory leak vulnerability in the mpeg_l3_encoder_init() function within the mpeg_l3_encode.c file.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 31% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Libsndfile · Libsndfile Project
1.1.0 through 1.2.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-56226
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-56226
Exploit
https://gist.github.com/Sisyphus-wang/f9e6e017b7d478bebee6e8187672abc8
Exploit
https://github.com/libsndfile/libsndfile/issues/1089
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