CVE-2021-40426
8.8
HIGH
CVSS 3.1
EPSS 0.55%
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.
How to fix CVE-2021-40426
To remediate CVE-2021-40426, upgrade the affected package to a fixed version below.
- Debian/sox—upgrade to 14.4.2+git20190427-2+deb11u1 or later
Is CVE-2021-40426 being exploited?
Low — EPSS is 0.6%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 14.4.2+git20190427-2+deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |