CVE-2007-0493: ISC BIND

High severity, CVSS 7.8. EPSS: 12.5% chance of exploitation in the next 30 days.

Use-after-free vulnerability in ISC BIND 9.3.0 up to 9.3.3, 9.4.0a1 up to 9.4.0a6, 9.4.0b1 up to 9.4.0b4, 9.4.0rc1, and 9.5.0a1 (Bind Forum only) allows remote attackers to cause a denial of service (named daemon crash) via unspecified vectors that cause named to "dereference a freed fetch context."

Affected products

• ISC BIND: version 9.3.0 only; version 9.3.1 only; version 9.3.2 only; version 9.4.0 only; version 9.5.0 only

Published 2007-01-25. Last modified 2026-06-16.