PYSEC-2026-721

vendorUSosv

Out-of-bounds Read and Out-of-bounds Write in OpenCV

view advisory published 2026-07-02Licence: CC-BY-4.0

An issue was discovered in OpenCV before 3.4.7 and 4.x before 4.1.1 (OpenCV-Python before 3.4.7.28 and 4.x before 4.1.1.26). 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.

01

describes (1)

Related CVEs.

IDseverity exploitable
CVE-2019-14492UShigh7.5—
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/c…
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references

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