CVE-2019-14492 Out-of-bounds Read and Out-of-bounds Write in OpenCV

What is CVE-2019-14492?

CVE-2019-14492 is a high-severity memory corruption vulnerability in Opensuse Leap, published on 1 Aug 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 before 3.4.7 and 4.x before 4.1.1. There is an out of bounds read/write in the function HaarEvaluator::OptFeature::calc in modules/objdetect/src/cascadedetect.hpp, which leads to denial of service.

Weakness: CWE-787, CWE-125

Which versions are affected by CVE-2019-14492?

20 open source packages ship an affected version, including opencv-contrib-python, opencv-contrib-python-headless and opencv-python. It affects 2 products.

Products include Opencv Opencv, Opensuse Leap.

How do I fix CVE-2019-14492?

Upgrade opencv-contrib-python to a fixed version for your release line: 3.4.7.28 or 4.1.1.26.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2019-14492 being exploited?

There is no known exploitation of CVE-2019-14492 in the wild and no public exploit code.

Other vulnerabilities in Opensuse Leap

• CVE-2019-5063 Out-of-bounds Write in OpenCV High 8.8
• CVE-2019-5064 Out-of-bounds Write in OpenCV High 8.8
• CVE-2019-14491 Out-of-bounds Read in OpenCV High 8.2
• CVE-2018-7712 Denial of service in n/a High 7.5
• CVE-2018-7713 Denial of service in n/a High 7.5

All Opensuse Leap vulnerabilities

Sources

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

Also known as DEBIAN-CVE-2019-14492, GHSA-fw99-f933-rgh8, PYSEC-2026-2798, PYSEC-2026-2821, PYSEC-2026-2837, PYSEC-2026-721 and 1 more.