🛡️ CVE-2026-37555
🟠 CVSS 7.5 — High ⚠️ Exploit Public CWE-190 NVD
7.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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) exceeds INT_MAX, the 32-bit multiplication overflows before being assigned to sf.frames (sf_count_t/int64). With samplesperblock=50000 and blocks=50000, the product 2500000000 overflows to -1794967296. This causes incorrect frame count leading to heap buffer overflow or denial of service. Both values come from the WAV file header and are attacker-controlled. This issue was discovered after an incomplete fix for CVE-2022-33065.

Details

Severity HIGH
CVSS Score 7.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE CWE-190
Public Exploit ⚠️ Yes
Source NVD
Published 2026-04-29
Updated 2026-06-02
Modified 2026-05-01

Affected Packages

Software From version Fixed in
libsndfile — —

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