PYSEC-2026-701

vendorUSosv

Out-of-bounds Write in OpenCV

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

OpenCV (Open Source Computer Vision Library) through 3.3 (corresponding to OpenCV-Python and OpenCV-Contrib-Python 3.3.0.9) has an invalid write in the cv::RLByteStream::getBytes function in modules/imgcodecs/src/bitstrm.cpp when reading an image file by using cv::imread, as demonstrated by the 2-opencv-heapoverflow-fseek test case.

01

describes (1)

Related CVEs.

IDseverity exploitable
CVE-2017-12603UShigh8.8—
OpenCV (Open Source Computer Vision Library) through 3.3 has an invalid write in the cv::RLByteStream::getBytes function in modules/imgcodecs/src/bitstrm.cpp when reading an image…
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