VYPR
Unrated severityNVD Advisory· Published Nov 29, 2002· Updated Jun 16, 2026

CVE-2002-1221

CVE-2002-1221

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

21
  • Isc/Bind14 versions
    cpe:2.3:a:isc:bind:8.1.1:*:*:*:*:*:*:*+ 13 more
    • cpe:2.3:a:isc:bind:8.1.1:*:*:*:*:*:*:*
    • cpe:2.3:a:isc:bind:8.1.2:*:*:*:*:*:*:*
    • cpe:2.3:a:isc:bind:8.1:*:*:*:*:*:*:*
    • cpe:2.3:a:isc:bind:8.2.1:*:*:*:*:*:*:*
    • cpe:2.3:a:isc:bind:8.2.2:*:*:*:*:*:*:*
    • cpe:2.3:a:isc:bind:8.2.3:*:*:*:*:*:*:*
    • cpe:2.3:a:isc:bind:8.2.4:*:*:*:*:*:*:*
    • cpe:2.3:a:isc:bind:8.2.5:*:*:*:*:*:*:*
    • cpe:2.3:a:isc:bind:8.2.6:*:*:*:*:*:*:*
    • cpe:2.3:a:isc:bind:8.2:*:*:*:*:*:*:*
    • cpe:2.3:a:isc:bind:8.3.0:*:*:*:*:*:*:*
    • cpe:2.3:a:isc:bind:8.3.1:*:*:*:*:*:*:*
    • cpe:2.3:a:isc:bind:8.3.2:*:*:*:*:*:*:*
    • cpe:2.3:a:isc:bind:8.3.3:*:*:*:*:*:*:*
  • FreeBSD/FreeBSD4 versions
    cpe:2.3:o:freebsd:freebsd:4.4:*:*:*:*:*:*:*+ 3 more
    • cpe:2.3:o:freebsd:freebsd:4.4:*:*:*:*:*:*:*
    • cpe:2.3:o:freebsd:freebsd:4.5:*:*:*:*:*:*:*
    • cpe:2.3:o:freebsd:freebsd:4.6:*:*:*:*:*:*:*
    • cpe:2.3:o:freebsd:freebsd:4.7:*:*:*:*:*:*:*
  • OpenBSD/OpenBSD3 versions
    cpe:2.3:o:openbsd:openbsd:3.0:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:openbsd:openbsd:3.0:*:*:*:*:*:*:*
    • cpe:2.3:o:openbsd:openbsd:3.1:*:*:*:*:*:*:*
    • cpe:2.3:o:openbsd:openbsd:3.2:*:*:*:*:*:*:*

Patches

Vulnerability mechanics

References

16

News mentions

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