CVE-2021-40426

sox: heap-based buffer overflow vulnerability exists in the sphere.c start_read() function

Published Apr 14, 2022 CVSS 3.1 · 8.8 High EPSS 2.1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3315-1 sox security update
Debian DSA Debian DSA DSA-5356-1 sox security update
EUVD EUVD EUVD-2021-27603 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.
Ubuntu USN Ubuntu USN USN-5904-1 SoX vulnerabilities
History
Type Values Removed Values Added
First Time appeared Sound Exchange Project
Sound Exchange Project sound Exchange
CPEs cpe:2.3:a:libsox_project:libsox:14.4.2:*:*:*:*:*:*:* cpe:2.3:a:sound_exchange_project:sound_exchange:14.4.2:*:*:*:*:*:*:*
Vendors & Products Libsox Project
Libsox Project libsox
Sound Exchange Project
Sound Exchange Project sound Exchange
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
talos
Published
Updated
Apr 15, 2025, 7:07 PM
Reserved
Sep 1, 2021, 12:00 AM
Status
Modified
Published
Apr 14, 2022, 8:15 PM
Modified
Jun 17, 2026, 4:06 AM
Severity
Moderate
Public date
Apr 14, 2022, 12:00 AM