Buffer overflow in Sound Exchange Libsox
CVE-2021-40426
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…
Vulnerability class: Buffer Overflow
EPSS: 0.022 (80.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Sound Exchange Libsox — versions 14.4.2, master commit 42b3557e
- Sound_exchange_project Sound_exchange — versions 14.4.2
Weakness classification (CWE)
References
- talos-cna@cisco.com (Exploit, Third Party Advisory)
- talos-cna@cisco.com (mailing-list)
- talos-cna@cisco.com (mailing-list)
- talos-cna@cisco.com (vendor-advisory)
Frequently asked questions
- What is CVE-2021-40426?
- CVE-2021-40426 is a high-severity vulnerability in Sound Exchange Libsox, classified under Heap-based Buffer Overflow. CVSS score: 8.8/10. Published 2022-04-14.
- How severe is CVE-2021-40426?
- High severity. CVSS v3 base score is 8.8 out of 10.