High severity · published Apr 14, 2022
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
8.8
CVSS
2.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.2% · higher than 83% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SE
Sound Exchange · Sound Exchange Project
14.4.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-40426
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-40426
www.openwall.com
http://www.openwall.com/lists/oss-security/2023/02/03/3
lists.debian.org
https://lists.debian.org/debian-lts-announce/2023/02/msg00009.html
Exploit
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1434
www.debian.org
https://www.debian.org/security/2023/dsa-5356
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