Heap-based Buffer Over-read Vulnerability in xpdf 4.00's BufStream::lookChar Function

CVE-2018-8104 · MEDIUM Severity

AV:N/AC:M/AU:N/C:N/I:N/A:P

The BufStream::lookChar function in Stream.cc in xpdf 4.00 allows attackers to launch denial of service (heap-based buffer over-read and application crash) via a specific pdf file, as demonstrated by pdftohtml.

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