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CVE-2019-14834

Published: 7 January 2020

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.

Priority

Low

Cvss 3 Severity Score

3.7

Score breakdown

Status

Package Release Status
dnsmasq
Launchpad, Ubuntu, Debian
impish Not vulnerable
(2.81-4)
focal
Released (2.80-1.1ubuntu1.2)
groovy Not vulnerable
(2.81-4)
bionic
Released (2.79-1ubuntu0.2)
hirsute Not vulnerable
(2.81-4)
xenial
Released (2.75-1ubuntu0.16.04.7)
jammy Not vulnerable
(2.81-4)
kinetic Not vulnerable
(2.81-4)
lunar Not vulnerable
(2.81-4)
disco Ignored
(end of life)
eoan Ignored
(end of life)
trusty Needed

upstream
Released (2.81)
mantic Not vulnerable
(2.81-4)
Patches:
upstream: http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=69bc94779c2f035a9fffdb5327a54c3aeca73ed5

Severity score breakdown

Parameter Value
Base score 3.7
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact Low
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L