CVE-2013-2266: ISC BIND

High severity, CVSS 7.8. EPSS: 42.9% chance of exploitation in the next 30 days.

libdns in ISC BIND 9.7.x and 9.8.x before 9.8.4-P2, 9.8.5 before 9.8.5b2, 9.9.x before 9.9.2-P2, and 9.9.3 before 9.9.3b2 on UNIX platforms allows remote attackers to cause a denial of service (memory consumption) via a crafted regular expression, as demonstrated by a memory-exhaustion attack against a machine running a named process.

Affected products

• ISC BIND: version 9.9.0 only; version 9.9.1 only; version 9.9.2 only; version 9.9.3 only; version 9.7.0 only; version 9.7.1 only; …

Published 2013-03-28. Last modified 2026-06-16.