What is CVE-2019-14834?

CVE-2019-14834 is a low-severity vulnerability in The Dnsmasq Project, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 3.7/10. Published 2020-01-07.

How severe is CVE-2019-14834?

Low severity. CVSS v3 base score is 3.7 out of 10.

Resource exhaustion in The Dnsmasq Project

CVE-2019-14834

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.

Published 2020-01-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.027 (85.1th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: -0.000

Affected products

The Dnsmasq Project — versions before 2.81
Thekelleys Dnsmasq
Fedoraproject Fedora — versions 31

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
thekelleys.org.uk/gitweb/

Frequently asked questions

What is CVE-2019-14834?: CVE-2019-14834 is a low-severity vulnerability in The Dnsmasq Project, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 3.7/10. Published 2020-01-07.
How severe is CVE-2019-14834?: Low severity. CVSS v3 base score is 3.7 out of 10.