CVE-2019-14493 NULL Pointer Dereference in OpenCV.

What is CVE-2019-14493?

CVE-2019-14493 is a high-severity vulnerability in Debian Debian Linux, 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 4.1.1. There is a NULL pointer dereference in the function cv::XMLParser::parse at modules/core/src/persistence.cpp.

Weakness: CWE-476

Which versions are affected by CVE-2019-14493?

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

Products include Debian Debian Linux, Opencv Opencv.

How do I fix CVE-2019-14493?

Upgrade opencv-contrib-python to 4.1.1.26 or later.

Is CVE-2019-14493 being exploited?

There is no known exploitation of CVE-2019-14493 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

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• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

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

Also known as DEBIAN-CVE-2019-14493, GHSA-3448-vrgh-85xr, PYSEC-2026-2795, PYSEC-2026-2806, PYSEC-2026-2834, PYSEC-2026-718 and 1 more.