MuPDF viewer

• MuPDF Changelog Summary:
• Subsetting (TTF/CFF/CFF2) • Corrected overruns, structure tags, CFF macros, leaks, and OOB access.
• Memory, Stability & Safety • Addressed OOB reads/writes/stack overflows in mutool audit, PDF recolor, JPEG/progressive loading, TTC conversion, and XPS. • Blocked infinite loops in malicious file cleaning and tiling. • Eliminated leaks in pdf_rewrite_images, transcribe_table, and options parsing. • Guarded against integer, BMP stride, and UTF-8 buffer overflows. • Integrated compression bomb detection for PNG iCCP chunks and GIF.
• Graphics & Layout • Adjusted shade clipping, pattern x/ystep rendering, and spot color mapping. • Optimized plotters alongside quick_ligature loop execution. • Corrected rectilinear bounds, display properties, and text decoration detection.
• PDF & Document Engine • Repaired AcroForm/Annots parent cycles, content stream filters, and operator filters. • Resolved LZW clear issues, non-incremental xref saving, and single-line text content-boxes. • Improved FB2/HTML metadata, text language identification, CJK fonts, and SVG default size (16). • Introduced Markdown (.md) document format support.
• Tooling, Wrappers & Dependencies • Language Bindings: Resolved macOS C# errors; swapped free() to fz_free() in C++. • mutool: Accelerated garbage collection via object hashing; resolved grep repetition and argument off-by-one. • Upgraded MuJS to 1.3.10; vendored its regex engine. • Added X11 viewer fullscreen flag (-f) and resolved exit assert crashes.
• Exception Handling & Cleanups • Ensured resource, device, title, and path release during exceptions via fz_var. • Cleared Coverity warnings (division by zero, unused assignments, unsigned tests).

Write a review