In OpenCV 3.3.1 (corresponding with OpenCV-Python 3.3.1.11), a heap-based buffer over-read exists in the function cv::HdrDecoder::checkSignature in modules/imgcodecs/src/grfmt_hdr.cpp.
{
"nvd_published_at": null,
"github_reviewed": true,
"severity": "HIGH",
"github_reviewed_at": "2021-10-07T20:17:07Z",
"cwe_ids": [
"CWE-125"
]
}