CVE-2017-1000231

Publication date 16 November 2017

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

Description

A double-free vulnerability in parse.c in ldns 1.7.0 have unspecified impact and attack vectors.

Status

Package Ubuntu Release Status
ldns 17.10 artful
Fixed 1.7.0-1ubuntu1.17.10.1
17.04 zesty
Fixed 1.7.0-1ubuntu1.17.04.1
16.04 LTS xenial
Fixed 1.6.17-8ubuntu0.1
14.04 LTS trusty
Fixed 1.6.17-1ubuntu0.1

Patch details

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

Package Patch details
ldns

Severity score breakdown

Parameter Value
Base score 9.8 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-3491-1
    • ldns vulnerabilities
    • 22 November 2017

Other references