Buffer overflow in Sound Exchange Project
CVE-2021-23159
A vulnerability was found in SoX, where a heap-buffer-overflow occurs in function lsx_read_w_buf() in formats_i.c file. The vulnerability is exploitable with a crafted file, that could cause an application to crash.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.005 (40.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 40.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000
Affected products
- Sound Exchange Project — versions 14.4.2-7
- Sox (Sound Exchange) — versions Not Known
Weakness classification (CWE)
References
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- access.redhat.com/security/cve/CVE-2021-23159 (Third Party Advisory)
- sourceforge.net/p/sox/bugs/352/ (Exploit, Third Party Advisory)
- security.archlinux.org/CVE-2021-23159 (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-23159?
- CVE-2021-23159 is a medium-severity vulnerability in Sound Exchange Project, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.5/10. Published 2022-08-25.
- How severe is CVE-2021-23159?
- Medium severity. CVSS v3 base score is 5.5 out of 10.