VULNERABILITY INTELLIGENCE

CVE-2018-18651

CVSS score5.5 MEDIUM
EPSS probability0.93%
CISA KEVNot currently listed
Published2018-10-25
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Description

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.

Weakness classification

  • CWE-834: Excessive Iteration

Primary references