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Out-of-bounds Write


Severity High
Score 7.8/10


In Xpdf 4.01.01, a heap-based buffer overflow could be triggered in DCTStream::decodeImage() in when writing to frameBuf memory. It can, for example, be triggered by sending a crafted PDF document to the pdftotext tool. It allows an attacker to use a crafted pdf file to cause Denial of Service, an information leak, or possibly unspecified other impact.

  • LOW
  • HIGH
  • NONE
  • HIGH
  • HIGH

CWE-787 - Out-of-Bounds Write

Out-of-bounds write vulnerability is a memory access bug that allows software to write data past the end or before the beginning of the intended buffer. This may result in the corruption of data, a crash, or arbitrary code execution.


Advisory Timeline

  • Published