CVE-2021-4216

A Floating point exception (division-by-zero) flaw was found in Mupdf for zero width pages in muraster.c. It is fixed in Mupdf-1.20.0-rc1 upstream.

This update for mupdf fixes the following issues:

• CVE-2021-4216: Fixed division by zero for zero width pages in muraster (boo#1202858)

This update for mupdf fixes the following issues:

mupdf was updated to 1.20.3:

• return error, not success when unable to lock native device resource.
• Bug 705620: Start journal operation instead of pushing local xref.
• Ensure AndroidDrawDevice is destroyed, even upon exception.
• source/pdf/pdf-clean.c: fix segv from incorrect call to fz_drop_pixmap().
• Bug 705681: Enclose code in begin/end operation.
• Guard against SEGVs when calling archive functions with NULL archive.

mupdf was updated to 1.20.0 (boo#1202858, CVE-2021-4216):

• Experimental C# bindings
• Cross compilation should no longer need a host compiler
• Major additions to JNI bindings
• New API to edit outline
• New API to resolve and create links
• New API to toggle individual layers in PDF
• Layer panel in mupdf-gl
• Layer option in mutool draw
• New API to add a Javascript console
• Console panel in mupdf-gl
• Text search API extended to be able to distinguish between separate search hits
• Command line tool improvements:
• all: Negative page numbers to index from the last page
• mutool draw: Add option to render document without text
• mutool draw and convert: Support DPI option in text and HTML output
• New hybrid HTML output format using 'scripts/pdftohtml' script:
• Graphics in a background image
• Text on top
• Improved WASM viewer demo
• Support high DPI screens
• Progressive loading
• Update to zlib 1.2.12 for security fix

mupdf was updated to 1.19.1:

• Updated zlib to 1.2.12 due to CVE-2018-25032

These are all security issues fixed in the mupdf-1.20.3-2.1 package on the GA media of openSUSE Tumbleweed.