OSV-2025-525 UNKNOWN READ in std::__1::__function::__func<cv::PngDecoder::compose_frame

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=429429085 Crash type: UNKNOWN READ Crash state: std::1::function::funccv::PngDecoder::composeframe cv::ParallelLoopBodyWrapper::operator cv::ThreadPool::run...