CVE-2019-15939 Divide By Zero in OpenCV.

What is CVE-2019-15939?

CVE-2019-15939 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 5 Sep 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-369

Which versions are affected by CVE-2019-15939?

12 open source packages ship an affected version, including opencv-contrib-python, opencv-contrib-python-headless and opencv-python. It affects 3 products.

Products include Debian Debian Linux, Opencv Opencv, Opensuse Leap.

How do I fix CVE-2019-15939?

Upgrade opencv-contrib-python to 4.1.1.26 or later.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2019-15939 being exploited?

There is no known exploitation of CVE-2019-15939 in the wild and no public exploit code.

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All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2019-15939, GHSA-hxfw-jm98-v4mq, PYSEC-2026-2799, PYSEC-2026-2822, PYSEC-2026-2838, PYSEC-2026-722 and 1 more.