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Vulnerability record · CVE-2002-1221 · published 29 November 2002

CVE-2002-1221: Isc bind vulnerability

Isc · Bind

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.

5.0 CVSS 2.0 Medium EPSS 7.6% · top 5.7%
5.0CVSS 2.0 base score
7.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
32References
16 Jun 2026Last modified by NVD

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.

AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Source: NIST National Vulnerability Database (record CVE-2002-1221), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.