CVE-2019-14834: Medium severity dnsmasq vulnerability

Published Jan 7, 2020
·
Updated

A vulnerability was found in dnsmasq before version 2.81, where the memory leak allows remote attackers to cause a denial of service (memory consumption) via vectors involving DHCP response creation.

Affected Software

3 affected componentsFixes available
thekelleys dnsmasq<2.81
Fedoraproject Fedora=31
F5 F5OS-A=1.8.0, >=1.5.1<=1.5.3
1.8.3

Event History

Jan 7, 2020
CVE Published
via MITRE·04:30 PM
Data Sourced
via MITRE·04:30 PM
DescriptionSeverityWeakness
Jun 24, 2025
Advisory Published
via F5·07:27 PM
Data Sourced
via F5·07:27 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the vulnerability ID of this vulnerability?

The vulnerability ID of this vulnerability is CVE-2019-14834.

2

What is the severity level of CVE-2019-14834?

CVE-2019-14834 has a severity level of medium, with a severity value of 3.7.

3

What is the affected software for CVE-2019-14834?

The affected software for CVE-2019-14834 includes Thekelleys Dnsmasq versions up to and excluding 2.81 and Fedoraproject Fedora version 31.

4

How can remote attackers exploit CVE-2019-14834?

Remote attackers can exploit CVE-2019-14834 by causing a denial of service (memory consumption) through vectors involving DHCP response creation.

5

Are there any references for CVE-2019-14834?

Yes, there are references available for CVE-2019-14834. You can find them at the following links: [1] http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=69bc94779c2f035a9fffdb5327a54c3aeca73ed5 [2] https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14834 [3] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JU474LT66BHNVFG5C4GEV3VTZNAEJ3BS/

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