# CVE-2002-1221

## Summary

- **CVE ID:** CVE-2002-1221
- **Severity:** UNKNOWN
- **CVSS Score:** 0.17
- **CWE:** N/A
- **Published:** Sep 1, 2004
- **Last Modified:** Mar 16, 2026

## Description

BIND 8.x through 8.3.3 allows remote attackers to cause a denial of service (crash) via SIG RR elements with invalid expiry times, which are removed from the internal BIND database and later cause a null dereference.

## Affected Products

- n/a — n/a (n/a)

## References

- [CNA](http://www.cert.org/advisories/CA-2002-31.html)
- [CNA](http://www.isc.org/products/BIND/bind-security.html)
- [CNA](http://lists.apple.com/archives/Security-announce/2002/Nov/msg00000.html)
- [CNA](http://www.securityfocus.com/bid/6159)
- [CNA](http://www.debian.org/security/2002/dsa-196)
- [CNA](https://exchange.xforce.ibmcloud.com/vulnerabilities/10333)
- [CNA](http://online.securityfocus.com/advisories/4999)
- [CNA](http://marc.info/?l=bugtraq&m=103763574715133&w=2)
- [CNA](http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000546)
- [CNA](https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2094)
- [CNA](http://online.securityfocus.com/archive/1/300019)
- [CNA](http://marc.info/?l=bugtraq&m=103713117612842&w=2)
- [CNA](http://www.ciac.org/ciac/bulletins/n-013.shtml)
- [CNA](http://www.kb.cert.org/vuls/id/581682)
- [CNA](http://bvlive01.iss.net/issEn/delivery/xforce/alertdetail.jsp?oid=21469)
- [CNA](http://www.linux-mandrake.com/en/security/2002/MDKSA-2002-077.php)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 4.30%
- **EPSS Percentile:** 88.6

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._