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 malicious file to trigger this vulnerability.
Vulnerability class: Buffer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.022 (82.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 82.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.022 · newest: 0.022 · change: 0.000
Affected products
- Sound Exchange Libsox — versions 14.4.2, master commit 42b3557e
- Sound Exchange Project — versions 14.4.2
Weakness classification (CWE)
References
- talosintelligence.com/vulnerability_reports/TALOS-2021-1434 (Exploit, Third Party Advisory)
- www.openwall.com/lists/oss-security/2023/02/03/3 (mailing-list)
- lists.debian.org/debian-lts-announce/2023/02/msg00009.html (mailing-list)
- www.debian.org/security/2023/dsa-5356 (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.