CVE-2019-14513

mediumpriority · track · 31EPSS 0.017 · 77 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.70% (77th) EPSS

CVSS 5 · medium

Is it mine?

40 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-26

Improper bounds checking in Dnsmasq before 2.76 allows an attacker controlled DNS server to send large DNS packets that result in a read operation beyond the buffer allocated for the packet, a different vulnerability than CVE-2017-14491.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

Fixeddnsmasq-0:2.76-2.el7.aarch64 as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf
For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2017:2117
Fixeddnsmasq-0:2.76-2.el7.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf
For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2017:2117
Fixeddnsmasq-0:2.76-2.el7.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf
For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2017:2117
Fixeddnsmasq-0:2.76-2.el7.s390x as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf
For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2017:2117
Fixeddnsmasq-0:2.76-2.el7.src as a component of Red Hat Enterprise Linux Client (v. 7)redhat_csaf
For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2017:2117
Fixeddnsmasq-0:2.76-2.el7.src as a component of Red Hat Enterprise Linux ComputeNode (v. 7)redhat_csaf
For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2017:2117
Fixeddnsmasq-0:2.76-2.el7.src as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf
For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2017:2117
Fixeddnsmasq-0:2.76-2.el7.src as a component of Red Hat Enterprise Linux Workstation (v. 7)redhat_csaf
For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2017:2117
Fixeddnsmasq-0:2.76-2.el7.x86_64 as a component of Red Hat Enterprise Linux Client (v. 7)redhat_csaf
For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2017:2117
Fixeddnsmasq-0:2.76-2.el7.x86_64 as a component of Red Hat Enterprise Linux ComputeNode (v. 7)redhat_csaf
For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2017:2117
Fixeddnsmasq-0:2.76-2.el7.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf
For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2017:2117
Fixeddnsmasq-0:2.76-2.el7.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 7)redhat_csaf
For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2017:2117
Fixeddnsmasq-debuginfo-0:2.76-2.el7.aarch64 as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf
For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2017:2117
Fixeddnsmasq-debuginfo-0:2.76-2.el7.aarch64 as a component of Red Hat Enterprise Linux Server Optional (v. 7)redhat_csaf
For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2017:2117
Fixeddnsmasq-debuginfo-0:2.76-2.el7.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf
For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2017:2117
Fixeddnsmasq-debuginfo-0:2.76-2.el7.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 7)redhat_csaf
For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2017:2117
Fixeddnsmasq-debuginfo-0:2.76-2.el7.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf
For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2017:2117
Fixeddnsmasq-debuginfo-0:2.76-2.el7.ppc64le as a component of Red Hat Enterprise Linux Server Optional (v. 7)redhat_csaf
For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2017:2117
Fixeddnsmasq-debuginfo-0:2.76-2.el7.s390x as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf
For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2017:2117
Fixeddnsmasq-debuginfo-0:2.76-2.el7.s390x as a component of Red Hat Enterprise Linux Server Optional (v. 7)redhat_csaf
For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2017:2117
Fixeddnsmasq-debuginfo-0:2.76-2.el7.x86_64 as a component of Red Hat Enterprise Linux Client (v. 7)redhat_csaf
For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2017:2117
Fixeddnsmasq-debuginfo-0:2.76-2.el7.x86_64 as a component of Red Hat Enterprise Linux Client Optional (v. 7)redhat_csaf
For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2017:2117
Fixeddnsmasq-debuginfo-0:2.76-2.el7.x86_64 as a component of Red Hat Enterprise Linux ComputeNode (v. 7)redhat_csaf
For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2017:2117
Fixeddnsmasq-debuginfo-0:2.76-2.el7.x86_64 as a component of Red Hat Enterprise Linux ComputeNode Optional (v. 7)redhat_csaf
For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2017:2117
Fixeddnsmasq-debuginfo-0:2.76-2.el7.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf
For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2017:2117
Fixeddnsmasq-debuginfo-0:2.76-2.el7.x86_64 as a component of Red Hat Enterprise Linux Server Optional (v. 7)redhat_csaf
For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2017:2117
Fixeddnsmasq-debuginfo-0:2.76-2.el7.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 7)redhat_csaf
For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2017:2117
Fixeddnsmasq-debuginfo-0:2.76-2.el7.x86_64 as a component of Red Hat Enterprise Linux Workstation Optional (v. 7)redhat_csaf
For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2017:2117
Fixeddnsmasq-utils-0:2.76-2.el7.aarch64 as a component of Red Hat Enterprise Linux Server Optional (v. 7)redhat_csaf
For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2017:2117
Fixeddnsmasq-utils-0:2.76-2.el7.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 7)redhat_csaf
For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2017:2117
Fixeddnsmasq-utils-0:2.76-2.el7.ppc64le as a component of Red Hat Enterprise Linux Server Optional (v. 7)redhat_csaf
For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2017:2117
Fixeddnsmasq-utils-0:2.76-2.el7.s390x as a component of Red Hat Enterprise Linux Server Optional (v. 7)redhat_csaf
For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2017:2117
Fixeddnsmasq-utils-0:2.76-2.el7.x86_64 as a component of Red Hat Enterprise Linux Client Optional (v. 7)redhat_csaf
For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2017:2117
Fixeddnsmasq-utils-0:2.76-2.el7.x86_64 as a component of Red Hat Enterprise Linux ComputeNode Optional (v. 7)redhat_csaf
For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2017:2117
Fixeddnsmasq-utils-0:2.76-2.el7.x86_64 as a component of Red Hat Enterprise Linux Server Optional (v. 7)redhat_csaf
For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2017:2117
Fixeddnsmasq-utils-0:2.76-2.el7.x86_64 as a component of Red Hat Enterprise Linux Workstation Optional (v. 7)redhat_csaf
For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2017:2117

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.05.3mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondary · Red Hat Product Security US

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-125USprimaryCWE-119USCWE-119US

affected products (40)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
Simon Kelley Dnsmasq≤ 2.76fstec_bduRU
debian debian linux= 8.0nvdUScpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*
thekelleys dnsmasq< 2.76nvdUScpe:2.3:a:thekelleys:dnsmasq:*:*:*:*:*:*:*:*
dnsmasq-0:2.76-2.el7.aarch64 as a component of Red Hat Enterprise Linux Server (v. 7)all versionsfixedredhat_csafUS
dnsmasq-0:2.76-2.el7.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7)all versionsfixedredhat_csafUS
dnsmasq-0:2.76-2.el7.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7)all versionsfixedredhat_csafUS
dnsmasq-0:2.76-2.el7.s390x as a component of Red Hat Enterprise Linux Server (v. 7)all versionsfixedredhat_csafUS
dnsmasq-0:2.76-2.el7.src as a component of Red Hat Enterprise Linux Client (v. 7)all versionsfixedredhat_csafUS
dnsmasq-0:2.76-2.el7.src as a component of Red Hat Enterprise Linux ComputeNode (v. 7)all versionsfixedredhat_csafUS
dnsmasq-0:2.76-2.el7.src as a component of Red Hat Enterprise Linux Server (v. 7)all versionsfixedredhat_csafUS
dnsmasq-0:2.76-2.el7.src as a component of Red Hat Enterprise Linux Workstation (v. 7)all versionsfixedredhat_csafUS
dnsmasq-0:2.76-2.el7.x86_64 as a component of Red Hat Enterprise Linux Client (v. 7)all versionsfixedredhat_csafUS
dnsmasq-0:2.76-2.el7.x86_64 as a component of Red Hat Enterprise Linux ComputeNode (v. 7)all versionsfixedredhat_csafUS
dnsmasq-0:2.76-2.el7.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7)all versionsfixedredhat_csafUS
dnsmasq-0:2.76-2.el7.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 7)all versionsfixedredhat_csafUS
dnsmasq-debuginfo-0:2.76-2.el7.aarch64 as a component of Red Hat Enterprise Linux Server (v. 7)all versionsfixedredhat_csafUS
dnsmasq-debuginfo-0:2.76-2.el7.aarch64 as a component of Red Hat Enterprise Linux Server Optional (v. 7)all versionsfixedredhat_csafUS
dnsmasq-debuginfo-0:2.76-2.el7.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7)all versionsfixedredhat_csafUS
dnsmasq-debuginfo-0:2.76-2.el7.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 7)all versionsfixedredhat_csafUS

showing 20 of 40

advisories (1)

Vendor and ecosystem advisories describing this.

RHBA-2017:2117Red Hat Bug Fix Advisory: dnsmasq bug fix and enhancement update2017-08-01csaf · redhat_csafUS
An update for dnsmasq is now available for Red Hat Enterprise Linux 7.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd redhat_csaf NVD CVE.org MITRE

published 2019-08-01modified 2026-06-17

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references (12)

External citations — patches, advisories, analysis.

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