Floating Point Exception Vulnerability in Mupdf by Artifex Software

CVE-2021-4216

What is CVE-2021-4216?

A flaw exists within Mupdf that results in a floating point exception, specifically a division-by-zero error when handling zero width pages in 'muraster.c'. This issue can potentially disrupt normal application functionality, leading to a denial of service. The vulnerability has been addressed in Mupdf version 1.20.0-rc1, ensuring that users can work with zero width pages without encountering this critical implementation flaw.

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