What is CVE-2019-14372?

CVE-2019-14372 is a medium-severity vulnerability in Libav, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 6.5/10. Published 2019-07-28.

How severe is CVE-2019-14372?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Libav

CVE-2019-14372

In Libav 12.3, there is an infinite loop in the function wv_read_block_header() in the file wvdec.c.

Published 2019-07-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.011 (64.9th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Libav — versions 12.3
Debian Linux — versions 8.0

Weakness classification (CWE)

CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)

References

bugzilla.libav.org/show_bug.cgi (Exploit, Third Party Advisory, Issue Tracking, Broken Link)
lists.debian.org/debian-lts-announce/2019/09/msg00000.html (mailing-list, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2019-14372?: CVE-2019-14372 is a medium-severity vulnerability in Libav, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 6.5/10. Published 2019-07-28.
How severe is CVE-2019-14372?: Medium severity. CVSS v3 base score is 6.5 out of 10.