What is CVE-2019-8356?

CVE-2019-8356 is a medium-severity vulnerability in Sound Exchange Project, classified under Improper Validation of Array Index. CVSS score: 5.5/10. Published 2019-02-15.

How severe is CVE-2019-8356?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Buffer overflow in Sound Exchange Project

CVE-2019-8356

An issue was discovered in SoX 14.4.2. One of the arguments to bitrv2 in fft4g.c is not guarded, such that it can lead to write access outside of the statically declared array, aka a stack-based buffer overflow.

Published 2019-02-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.018 (78.2th percentile), scored 2026-10-20.

Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: -0.000

Affected products

Sound Exchange Project — versions 14.4.2

Weakness classification (CWE)

References

sourceforge.net/p/sox/bugs/321 (Exploit, Third Party Advisory)
lists.debian.org/debian-lts-announce/2019/05/msg00040.html (mailing-list)
usn.ubuntu.com/4079-1/ (vendor-advisory)
usn.ubuntu.com/4079-2/ (vendor-advisory)

Frequently asked questions

What is CVE-2019-8356?: CVE-2019-8356 is a medium-severity vulnerability in Sound Exchange Project, classified under Improper Validation of Array Index. CVSS score: 5.5/10. Published 2019-02-15.
How severe is CVE-2019-8356?: Medium severity. CVSS v3 base score is 5.5 out of 10.