VULNERABILITY INTELLIGENCE

CVE-2018-18650

CVSS score5.5 MEDIUM
EPSS probability0.92%
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. XRef::readXRefStream in XRef.cc allows attackers to launch a denial of service (Integer Overflow) via a crafted /Size value in a pdf file, as demonstrated by pdftohtml. This is mainly caused by the program attempting a malloc operation for a large amount of memory.

Weakness classification

  • CWE-190: Integer Overflow or Wraparound

Primary references