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...

PT-2023-3988 · Unknown · Sumatrapdf

Name of the Vulnerable Software and Affected Versions: SumatraPDF version 3.4.6 Description: The issue is related to a buffer overflow in the SumatraPDF Reader when handling text files, such as first.txt and second.txt, due to the lack of size checking of input data. This can be exploited by a...