Description: bento4 is a fast, modern, open source C++ toolkit for all your MP4 and MPEG DASH media format needs. The complete ASan output of the issue: # mp42aac $FILE out.aac ==4435==ERROR: AddressSanitizer: stack-buffer-underflow on address 0x7fe62b800e86 at pc 0x00000057b5a3 … Continue reading bento4: stack-based buffer underflow in AP4_VisualSampleEntry::ReadFields (Ap4SampleEntry.cpp)