What is CVE-2017-8372?

CVE-2017-8372 is a medium-severity vulnerability in Underbit Mad Libmad, classified under Reachable Assertion. CVSS score: 4.7/10. Published 2017-05-01.

How severe is CVE-2017-8372?

Medium severity. CVSS v3 base score is 4.7 out of 10.

Vulnerability in Underbit Mad Libmad

CVE-2017-8372

The mad_layer_III function in layer3.c in Underbit MAD libmad 0.15.1b, if NDEBUG is omitted, allows remote attackers to cause a denial of service (assertion failure and application exit) via a crafted audio file.

Published 2017-05-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.021 (80.7th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000

Affected products

Underbit Mad Libmad — versions 0.15.1b

Weakness classification (CWE)

CWE-617 — Reachable Assertion

References

blogs.gentoo.org/ago/2017/04/30/libmad-assertion-failure-in-layer3-c/ (Exploit, VDB Entry, Third Party Advisory)
www.debian.org/security/2018/dsa-4192 (vendor-advisory)
lists.debian.org/debian-lts-announce/2018/05/msg00011.html (mailing-list)

Frequently asked questions

What is CVE-2017-8372?: CVE-2017-8372 is a medium-severity vulnerability in Underbit Mad Libmad, classified under Reachable Assertion. CVSS score: 4.7/10. Published 2017-05-01.
How severe is CVE-2017-8372?: Medium severity. CVSS v3 base score is 4.7 out of 10.