VULNERABILITY INTELLIGENCE

CVE-2018-20311

CVSS score8.1 HIGH
EPSS probability0.83%
CISA KEVNot currently listed
Published2021-01-07
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

Foxit Reader before 9.5, and PhantomPDF before 8.3.10 and 9.x before 9.5, has a proxyCPDFAction race condition that can cause a stack-based buffer overflow or an out-of-bounds read.

Weakness classification

  • CWE-125: Out-of-bounds Read
  • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
  • CWE-787: Out-of-bounds Write

Primary references