CVE-2021-40426

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 v3 8.8 HIGH
CVSS v2.0 6.8 MEDIUM

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://www.openwall.com/lists/oss-security/2023/02/03/3
https://lists.debian.org/debian-lts-announce/2023/02/msg00009.html
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1434	Exploit Third Party Advisory
https://www.debian.org/security/2023/dsa-5356
http://www.openwall.com/lists/oss-security/2023/02/03/3
https://lists.debian.org/debian-lts-announce/2023/02/msg00009.html
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1434	Exploit Third Party Advisory
https://www.debian.org/security/2023/dsa-5356

Configurations

Configuration 1 (hide)

cpe:2.3:a:sound_exchange_project:sound_exchange:14.4.2:*:*:*:*:*:*:*

History

24 Jun 2025, 19:34

Type	Values Removed	Values Added
First Time		Sound Exchange Project sound Exchange Sound Exchange Project
CPE	cpe:2.3:a:libsox_project:libsox:14.4.2:::::::*	cpe:2.3:a:sound_exchange_project:sound_exchange:14.4.2:::::::*

Information

Published : 2022-04-14 20:15

Updated : 2025-06-24 19:34

NVD link : CVE-2021-40426

Mitre link : CVE-2021-40426

CVE.ORG link : CVE-2021-40426

JSON object : View

Products Affected

sound_exchange_project

sound_exchange

CWE

CWE-122

Heap-based Buffer Overflow

CWE-787

Out-of-bounds Write

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