Name: CVE-2021-40426: Heap-based Buffer Overflow
Creator: Rapid7
Published: 2022-04-14T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2021-40426, CWE-122, CWE-787, CVSS 8.8, EPSS 0.00136

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.

CVSS Details

CVSS 3.1 Base Score: 8.8
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
CVSS 3.0 Base Score: 10
CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Alpine Linux	—	Upgrade sox	Aug 22, 2024	Apr 14, 2022
Debian	—	Upgrade sox	Feb 13, 2023	Apr 14, 2022
Redhat_linux	—	No solution exists	Jul 9, 2025	Apr 14, 2022
Suse	—	Upgrade libsox3Upgrade soxUpgrade sox-devel	Aug 9, 2024	Apr 14, 2022
Ubuntu	—	Upgrade sox (Ubuntu Pro)Upgrade libsox2 (Ubuntu Pro)Upgrade soxUpgrade libsox3	Mar 22, 2023	Apr 14, 2022

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CVSS Details

Covered by Rapid7

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