The vulnerability of the CrashAlwaysIf function in the PDF, EPUB, MOBI, FB2, CHM, XPS, and DjVu formats allows a perpetrator to trigger a service failure.

The vulnerability of the CrashAlwaysIf function in the PDF, EPUB, MOBI, FB2, CHM, XPS, and DjVu formats processing documents by SumatraPDF is related to the copying of buffers without checking the size of the input data when processing text files first.txt and second.txt. Exploiting this...