VULNERABILITY INTELLIGENCE

CVE-2021-40426

CVSS score8.8 HIGH
EPSS probability2.05%
CISA KEVNot currently listed
Published2022-04-14
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Description

A heap-based buffer overflow vulnerability exists in the sphere.c start_read() functionality of Sound Exchange libsox 14.4.2 and master commit 42b3557e. A specially-crafted file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.

Weakness classification

  • talos-cna@cisco.com: CWE-122
  • nvd@nist.gov: CWE-787

Primary references