What is CVE-2026-37555?

CVE-2026-37555 is a high-severity vulnerability in Libsndfile_project Libsndfile, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2026-04-29.

How severe is CVE-2026-37555?

High severity. CVSS v3 base score is 7.5 out of 10.

Integer overflow in Libsndfile_project Libsndfile

CVE-2026-37555

An issue was discovered in libsndfile 1.2.2 IMA ADPCM codec. The AIFF code path (line 241) was fixed with (sf_count_t) cast, but the WAV code path (line 235) and close path (line 167) were not. When samplesperblock (int) * blocks (int) exc…

Vulnerability class: Integer Overflow

EPSS: 0.000 (15.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Libsndfile_project Libsndfile — versions 1.2.2
N/a — versions n/a

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

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

Frequently asked questions

What is CVE-2026-37555?: CVE-2026-37555 is a high-severity vulnerability in Libsndfile_project Libsndfile, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2026-04-29.
How severe is CVE-2026-37555?: High severity. CVSS v3 base score is 7.5 out of 10.