CVE-2021-40426

Published: Apr 14, 2022Modified: Jun 24, 2025

8.8

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitability: 2.8 / Impact: 5.9

Source: NVD

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.

Affected (1)

Products: Sound Exchange Project: Sound Exchange

Sound Exchange Project

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Sound Exchange Project Sound Exchange	Version 14.4.2

Related CWEs

Heap-based Buffer Overflow

A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

References (8)

http://www.openwall.com/lists/oss-security/2023/02/03/3

Source: talos-cna@cisco.com

https://lists.debian.org/debian-lts-announce/2023/02/msg00009.html

Source: talos-cna@cisco.com

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1434

Source: talos-cna@cisco.com

ExploitThird Party Advisory

https://www.debian.org/security/2023/dsa-5356

Source: talos-cna@cisco.com

http://www.openwall.com/lists/oss-security/2023/02/03/3

Source: af854a3a-2127-422b-91ae-364da2661108

https://lists.debian.org/debian-lts-announce/2023/02/msg00009.html

Source: af854a3a-2127-422b-91ae-364da2661108

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1434

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitThird Party Advisory

https://www.debian.org/security/2023/dsa-5356

Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.