CVE-2021-40426
sox: heap-based buffer overflow vulnerability exists in the sphere.c start_read() function
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · April 14, 2022
Updated · November 21, 2025
Description
A heap-based buffer overflow vulnerability exists in the sphere.c start_read() functionality of the Sound Exchange sox library. A specially-crafted file can lead to a heap buffer overflow. This flaw allows an attacker to provide a malicious file to trigger this vulnerability.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 8.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE-787 · Out-of-bounds Write