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Status published
Critical
CVE-2021-40426
A heap-based buffer overflow vulnerability exists in the sphere.c start_read()...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
Affected Vendor
Sound Exchange
View all reports →Affected Software
libsox
Vulnerable Versions:
14.4.2, master commit 42b3557e
Timeline
Official Publish:
April 14th, 2022
Last Modified:
April 15th, 2025
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H