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Excessive Iteration

CVE-2018-18651

Medium
5.5/10

Summary

An issue was discovered in Xpdf 4.00. catalog->getNumPages() in AcroForm.cc allows attackers to launch a denial of service (hang caused by large loop) via a specific pdf file, as demonstrated by pdftohtml. This is mainly caused by a large number after the /Count field in the file.

  • LOW
  • LOCAL
  • NONE
  • UNCHANGED
  • REQUIRED
  • NONE
  • NONE
  • HIGH

CWE-834 - Excessive Iteration

The software performs an iteration or loop without sufficiently limiting the number of times that the loop is executed.

References

Advisory Timeline

  • Published