CVE-2012-1033: ISC BIND

Medium severity, CVSS 5.0. EPSS: 13.1% chance of exploitation in the next 30 days.

The resolver in ISC BIND 9 through 9.8.1-P1 overwrites cached server names and TTL values in NS records during the processing of a response to an A record query, which allows remote attackers to trigger continued resolvability of revoked domain names via a "ghost domain names" attack.

Affected products

• ISC BIND: version 9.0 only; version 9.0.1 only; version 9.1 only; version 9.1.1 only; version 9.1.2 only; version 9.1.3 only; …

Published 2012-02-08. Last modified 2026-06-16.