CVE-2021-30354

Amazon Kindle e-reader prior to and including version 5.13.4 contains an Integer Overflow that leads to a Heap-Based Buffer Overflow in function CJBig2Image::expand() and results in a memory corruption that leads to code execution when parsing a crafted PDF book.

Amazon Kindle e-reader prior to and including version 5.13.4 contains an Integer Overflow that leads to a Heap-Based Buffer Overflow in function CJBig2Image::expand() and results in a memory corruption that leads to code execution when parsing a crafted PDF book.

Amazon Kindle e-reader versiones anteriores a 5.13.4, incluyéndola, contiene un desbordamiento de enteros que conlleva a un desbordamiento de búfer en la región heap de la memoria en la función CJBig2Image::expand() y da lugar a una corrupción de memoria que conlleva a una ejecución de código cuando se analiza un libro PDF diseñado