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CVE-2021-40426

CRITICAL Exploitation: PoC
10.0
CVSS 3.0
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.

Metadata

CVE ID
CVE-2021-40426
State
PUBLISHED
Assigner
talos
Reserved
2021-09-01 00:00 UTC
Published
2022-04-14 19:56 UTC
Last updated
2025-04-15 19:07 UTC
Primary CWE
CWE-122
CWE-122: Heap-based Buffer Overflow
Vendor / Product
Sound Exchange / libsox
Sources
cve.org  ·  NVD

Severity & Metrics

10.0 CRITICAL CVSS 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
SSVC — CISA Coordinator
Exploitation
PoC
Automatable
yes
Tech. Impact
total
Affected products (1)
VendorProductPlatformVersions
Sound Exchange libsox — 14.4.2, master commit 42b3557e
Weakness (CWE)
CWESourceDescription
CWE-122 cna CWE-122: Heap-based Buffer Overflow
CVSS scores (1)
ScoreSeverityVersionSourceVector
10.0 CRITICAL 3.0 cna CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
References (4)
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