CVE-2019-6471 MEDIUM

CVE-2019-6471: A race condition when discarding malformed packets can cause BIND to exit with an assertion failure

Vendor Isc
Product BIND 9
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

A race condition which may occur when discarding malformed packets can result in BIND exiting due to a REQUIRE assertion failure in dispatch.c. Versions affected: BIND 9.11.0 -> 9.11.7, 9.12.0 -> 9.12.4-P1, 9.14.0 -> 9.14.2. Also all releases of the BIND 9.13 development branch and version 9.15.0 of the BIND 9.15 development branch and BIND Supported Preview Edition versions 9.11.3-S1 -> 9.11.7-S1.

Key dates

02Disclosure timeline

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