CVE-2021-40426

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-04-14 · updated 2026-06-17
Weakness: CWE-122

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 products

SoX (Sound eXchange): 14.4.2

References

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

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