CVE-2020-13814

CRITICAL

An issue was discovered in Foxit Reader and PhantomPDF before 9.7.1. It has a use-after-free via a document that lacks a dictionary.

Affects 3 products across 1 vendor.

CVSS 3.19.8
EPSS1.7%
Percentile77th
PatchPatched
CVSS Vector — Plain English Remotely exploitable over the network, low complexity, no authentication required, no user interaction needed, impact contained to the vulnerable component, full confidentiality impact, full integrity impact, full availability impact.
CWE Weakness Definitions
CWE-416: Use After Free

Software references memory after it has been freed, leading to corruption, crashes, or code execution.

◆ AI Analysis — automated analysis, not human-reviewed

A critical vulnerability exists in Foxit Reader and PhantomPDF versions prior to 9.7.1, involving a use-after-free error when processing documents without a specific dictionary, which could lead to arbitrary code execution.

BSID: BS-2020-GLOBAL-145124-C • Model: /workspace/models/qwen2.5-coder-32b-instruct-bf16 • Confidence: HIGH

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Frequently Asked Questions
What is CVE-2020-13814?
A critical vulnerability exists in Foxit Reader and PhantomPDF versions prior to 9.7.1, involving a use-after-free error when processing documents without a specific dictionary, which could lead to arbitrary code execution.
What is the CVSS score for CVE-2020-13814?
CVE-2020-13814 has CVSS 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS: 1.7%.
Is CVE-2020-13814 actively exploited?
No confirmed active exploitation of CVE-2020-13814 as of 2026-05-30.
How do I remediate CVE-2020-13814?
Priority: IMMEDIATE. Advisory: https://www.foxitsoftware.com/support/security-bulletins.php PSIRT: [email protected]
What systems are affected by CVE-2020-13814?
CVE-2020-13814 affects Foxitsoftware Reader, Phantompdf.
Vulnerability Details
CVE IDCVE-2020-13814
BSIDBS-2020-GLOBAL-145124-C BreachSpider Global ID
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published2020-06-04
Last Modified2024-11-21
ICS Relevance0%
Weakness (CWE)
Use After Free
SourceNVD
Official Description

An issue was discovered in Foxit Reader and PhantomPDF before 9.7.1. It has a use-after-free via a document that lacks a dictionary.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

An attacker can exploit this vulnerability by crafting a malicious PDF document that lacks a dictionary, causing the application to access freed memory. This could result in remote code execution with the privileges of the user running the application.

Exploitation Likelihood: CRITICAL

Affected Products
VendorProductAffected Versions
Foxitsoftware Reader < 9.7.1
Foxitsoftware Phantompdf < 9.7.1
Remediation
View Vendor Advisory →

Remediation Priority: IMMEDIATE

Vendor PSIRT: [email protected]
Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 2324 Days
CISA known-exploitedNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
AI Enrichment Record — provenance & audit hash
Model/workspace/models/qwen2.5-coder-32b-instruct-bf16
ConfidenceHIGH
Enriched At2026-05-24
SHA-512 Audit Hash66400cd7fbc21014961ce7215fc93b018cc8519092d50997a706fdff1c1fc1221f5f2ce9059cd0b689ee1c852d59f4dc12fa4f4c57d15d0f1750f02b79f60e82
Related CVEs affecting Foxitsoftware
CVE-2008-7031 10.0 Heap-based buffer overflow in Foxit Remote Access Server (aka WAC Server) 2.0... CVE-2008-0151 10.0 Heap-based buffer overflow in Foxit WAC Server 2.1.0.910, 2.0 Build 3503, and... CVE-2009-0836 10.0 Foxit Reader 2.3 before Build 3902 and 3.0 before Build 1506, including 1120 ... CVE-2008-7225 10.0 Heap-based buffer overflow in Foxit Remote Access Server (aka WAC Server) 2.0... CVE-2018-14442 9.8 Foxit Reader before 9.2 and PhantomPDF before 9.2 have a Use-After-Free that ...
View all Foxitsoftware CVEs →

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