CVE-2002-1221

MEDIUM 5.0CVE-2002-1221 · Published 29/11/2002 · updated 16/06/2026

In short

CVE-2002-1221 is a MEDIUM (CVSS 5.0) vulnerability affecting bind (isc).
Chance of exploitation in the next 30 days (EPSS): 7.6%, higher than 94.5% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
bind isc	`= 8.1= 8.1.1= 8.1.2= 8.2= 8.2.1= 8.2.2= 8.2.3= 8.2.4= 8.2.5= 8.2.6= 8.3.0= 8.3.1= 8.3.2= 8.3.3`	No fix yet

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.

References

bvlive01.iss.net/issEn/delivery/xforce/alertdetail.jsp · Patch
distro.conectiva.com.br/atualizacoes
lists.apple.com/archives/Security-announce/2002/Nov/msg00000.html
marc.info
marc.info
online.securityfocus.com/advisories/4999
online.securityfocus.com/archive/1/300019
cert.org/advisories/CA-2002-31.html · US Government Resource
ciac.org/ciac/bulletins/n-013.shtml
debian.org/security/2002/dsa-196
isc.org/products/BIND/bind-security.html · Patch
kb.cert.org/vuls/id/581682 · US Government Resource
linux-mandrake.com/en/security/2002/MDKSA-2002-077.php

More vulnerabilities in bind

See all →

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Scan my site free