The vulnerability is a memory leak bug located at line 1368 of the file /pdf2json/src/ImgOutputDev.cc

Hello, I am a graduate student specializing in static analysis of programs. Recently, while using a static analysis tool to detect issues in open-source projects, I found several defects in the project. The description of the defects can be found at the following link:https://github.com/LuMingYinDetect/pdf2json_defects/blob/main/pdf2json_detect_1.md