CVE-2019-6469 MEDIUM

CVE-2019-6469: BIND Supported Preview Edition can exit with an assertion failure if ECS is in use

Vendor Isc
Product BIND 9 Supported Preview Edition
Published October 9, 2019
Last update September 17, 2024

CVSS base score

5.9/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

An error in the EDNS Client Subnet (ECS) feature for recursive resolvers can cause BIND to exit with an assertion failure when processing a response that has malformed RRSIGs. Versions affected: BIND 9.10.5-S1 -> 9.11.6-S1 of BIND 9 Supported Preview Edition.

Key dates

02Disclosure timeline

October 9, 2019 CVE published
September 17, 2024 Record updated