CVE-2016-9444

Publication date 11 January 2017

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

named in ISC BIND 9.x before 9.9.9-P5, 9.10.x before 9.10.4-P5, and 9.11.x before 9.11.0-P2 allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a crafted DS resource record in an answer.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
bind9	17.04 zesty	Fixed 1:9.10.3.dfsg.P4-10.1ubuntu3
	16.10 yakkety	Fixed 1:9.10.3.dfsg.P4-10.1ubuntu1.2
	16.04 LTS xenial	Fixed 1:9.10.3.dfsg.P4-8ubuntu1.4
	14.04 LTS trusty	Fixed 1:9.9.5.dfsg-3ubuntu0.11
	12.04 LTS precise	Not affected

Notes

mdeslaur

doesn't affect precise, introduced in 9.8.5

Severity score breakdown

Parameter	Value
Base score	7.5 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-3172-1
Bind vulnerabilities
12 January 2017