CVE-2021-40426: Sound Exchange Project Sound Exchange

High severity, CVSS 8.8. EPSS: 2.2% chance of exploitation in the next 30 days.

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.

Affected products

• Sound Exchange Project Sound Exchange: version 14.4.2 only

Published 2022-04-14. Last modified 2026-06-17.