VULNERABILITY INTELLIGENCE

CVE-2019-16866

CVSS score7.5 HIGH
EPSS probability3.51%
CISA KEVNot currently listed
Published2019-10-03
Last modified2026-10-08
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

Unbound before 1.9.4 accesses uninitialized memory, which allows remote attackers to trigger a crash via a crafted NOTIFY query. The source IP address of the query must match an access-control rule.

Weakness classification

  • nvd@nist.gov: CWE-755

Primary references