CVE-2021-40426

moderate-risk
Published 2022-04-14

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.

Do I need to act?

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0.54% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

37
/ 100
moderate-risk
Severity 30/34 · Critical
Exploitability 2/34 · Minimal
Exposure 5/34 · Minimal