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An out-of-bounds read was discovered in OpenCV before 4.1.1. Specifically, variable coarsest_scale is assumed to be greater than or equal to finest_scale within the calc()/ocl_calc() functions in dis_flow.cpp. However, this is not true when dealing with small images, leading to an out-of-bounds read of the heap-allocated arrays Ux and Uy.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade opencv | Jul 30, 2024 | Dec 6, 2019 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Dec 6, 2019 |
| Ubuntu | — | Upgrade libopencv-core4.5d (Ubuntu Pro)Upgrade libopencv-core3.2 (Ubuntu Pro)Upgrade libopencv-imgcodecs4.5d (Ubuntu Pro)Upgrade libopencv-contrib4.5d (Ubuntu Pro)Upgrade opencv-data (Ubuntu Pro)Upgrade libopencv-flann4.5d (Ubuntu Pro)Upgrade libopencv-dev (Ubuntu Pro)Upgrade libopencv-dnn4.5d (Ubuntu Pro)Upgrade libopencv-objdetect4.5d (Ubuntu Pro) | Feb 4, 2025 | Dec 6, 2019 |
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