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CVE-2019-6471

Publication date 19 June 2019

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

5.9 · Medium

Score breakdown

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.

Status

Package Ubuntu Release Status
bind9 19.04 disco
Fixed 1:9.11.5.P1+dfsg-1ubuntu2.5
18.10 cosmic
Fixed 1:9.11.4+dfsg-3ubuntu5.4
18.04 LTS bionic
Fixed 1:9.11.3+dfsg-1ubuntu1.8
16.04 LTS xenial
Not affected
14.04 LTS trusty
Not affected

Severity score breakdown

Parameter Value
Base score 5.9 · Medium
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

Other references