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CVE-2016-2775

Publication date 19 July 2016

Last updated 24 July 2024


Ubuntu priority

Cvss 3 Severity Score

5.9 · Medium

Score breakdown

ISC BIND 9.x before 9.9.9-P2, 9.10.x before 9.10.4-P2, and 9.11.x before 9.11.0b2, when lwresd or the named lwres option is enabled, allows remote attackers to cause a denial of service (daemon crash) via a long request that uses the lightweight resolver protocol.

Read the notes from the security team

Status

Package Ubuntu Release Status
bind9 22.10 kinetic
Not affected
22.04 LTS jammy
Not affected
21.10 impish
Not affected
21.04 hirsute
Not affected
20.10 groovy
Not affected
20.04 LTS focal
Not affected
19.10 eoan
Not affected
19.04 disco
Not affected
18.10 cosmic
Not affected
18.04 LTS bionic
Not affected
17.10 artful Ignored end of life
17.04 zesty Ignored end of life
16.10 yakkety Ignored end of life
16.04 LTS xenial
15.10 wily Ignored end of life
14.04 LTS trusty
12.04 LTS precise Ignored end of life

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Notes


mdeslaur

only if lwres is configured (not the default) lwresd package is in universe

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
bind9

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)

    • USN-5747-1
    • Bind vulnerabilities
    • 29 November 2022

Other references