What is CVE-2019-15939?

CVE-2019-15939 is a medium-severity vulnerability in Opencv, classified under Divide By Zero. CVSS score: 5.9/10. Published 2019-09-05.

How severe is CVE-2019-15939?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in Opencv

CVE-2019-15939

An issue was discovered in OpenCV 4.1.0. There is a divide-by-zero error in cv::HOGDescriptor::getDescriptorSize in modules/objdetect/src/hog.cpp.

Published 2019-09-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.024 (83.2th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000

Affected products

Opencv
Debian Linux — versions 9.0
openSUSE Leap — versions 15.1

Weakness classification (CWE)

CWE-369 — Divide By Zero

References

github.com/OpenCV/opencv/issues/15287 (Third Party Advisory)
github.com/opencv/opencv/pull/15382 (Exploit, Patch, Third Party Advisory)
lists.opensuse.org/opensuse-security-announce/2019-12/msg00025.html (vendor-advisory, Third Party Advisory)
lists.debian.org/debian-lts-announce/2021/10/msg00028.html (mailing-list, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2019-15939?: CVE-2019-15939 is a medium-severity vulnerability in Opencv, classified under Divide By Zero. CVSS score: 5.9/10. Published 2019-09-05.
How severe is CVE-2019-15939?: Medium severity. CVSS v3 base score is 5.9 out of 10.