CVE Vulnerabilities

CVE-2019-16866

Improper Handling of Exceptional Conditions

Published: Oct 03, 2019 | Modified: Nov 07, 2023
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
5.3 LOW
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Ubuntu
MEDIUM

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

The product does not handle or incorrectly handles an exceptional condition.

Affected Software

Name Vendor Start Version End Version
Unbound Nlnetlabs * 1.9.4 (excluding)
Unbound Ubuntu devel *
Unbound Ubuntu disco *
Unbound Ubuntu trusty *

References