OSV-2018-293 Use-of-uninitialized-value in pdf_load_version

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5496 Crash type: Use-of-uninitialized-value Crash state: pdfloadversion pdfinitdocument pdfopendocumentwithstream...

WS-2018-0659

MuPDF before 1.13.0-rc1 is vulnerable to use-of-uninitialized-value in pdfloadversion...