CVE-2019-14834

mediumPriorität · verfolgen · 16EPSS 0.027 · 86. PerzentilDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

2.65% (86th) EPSS

CVSS 4.3 · medium

Is it mine?

53 products

Prüfe deine Angriffsfläche

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · bewertet 2026-10-26

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.

Behebungen

Hersteller-Fix, Mitigation oder Workaround, wie von den Quellen veröffentlicht.

Ein Hersteller-Fix ist verfügbar.

Behobendnsmasq-0:2.79-11.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:1715
Behobendnsmasq-0:2.79-11.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:1715
Behobendnsmasq-0:2.79-11.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:1715
Behobendnsmasq-0:2.79-11.el8.src as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:1715
Behobendnsmasq-0:2.79-11.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:1715
Behobendnsmasq-debuginfo-0:2.79-11.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:1715
Behobendnsmasq-debuginfo-0:2.79-11.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:1715
Behobendnsmasq-debuginfo-0:2.79-11.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:1715
Behobendnsmasq-debuginfo-0:2.79-11.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:1715
Behobendnsmasq-debugsource-0:2.79-11.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:1715
Behobendnsmasq-debugsource-0:2.79-11.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:1715
Behobendnsmasq-debugsource-0:2.79-11.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:1715
Behobendnsmasq-debugsource-0:2.79-11.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:1715
Behobendnsmasq-utils-0:2.79-11.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:1715
Behobendnsmasq-utils-0:2.79-11.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:1715
Behobendnsmasq-utils-0:2.79-11.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:1715
Behobendnsmasq-utils-0:2.79-11.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:1715
Behobendnsmasq-utils-debuginfo-0:2.79-11.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:1715
Behobendnsmasq-utils-debuginfo-0:2.79-11.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:1715
Behobendnsmasq-utils-debuginfo-0:2.79-11.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:1715
Behobendnsmasq-utils-debuginfo-0:2.79-11.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:1715
Behobendnsmasq-0:2.76-16.el7.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:3878
Behobendnsmasq-0:2.76-16.el7.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:3878
Behobendnsmasq-0:2.76-16.el7.s390x as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:3878
Behobendnsmasq-0:2.76-16.el7.src as a component of Red Hat Enterprise Linux Client (v. 7)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:3878
Behobendnsmasq-0:2.76-16.el7.src as a component of Red Hat Enterprise Linux ComputeNode (v. 7)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:3878
Behobendnsmasq-0:2.76-16.el7.src as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:3878
Behobendnsmasq-0:2.76-16.el7.src as a component of Red Hat Enterprise Linux Workstation (v. 7)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:3878
Behobendnsmasq-0:2.76-16.el7.x86_64 as a component of Red Hat Enterprise Linux Client (v. 7)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:3878
Behobendnsmasq-0:2.76-16.el7.x86_64 as a component of Red Hat Enterprise Linux ComputeNode (v. 7)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:3878
Behobendnsmasq-0:2.76-16.el7.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:3878
Behobendnsmasq-0:2.76-16.el7.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 7)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:3878
Behobendnsmasq-debuginfo-0:2.76-16.el7.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:3878
Behobendnsmasq-debuginfo-0:2.76-16.el7.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 7)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:3878
Behobendnsmasq-debuginfo-0:2.76-16.el7.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:3878
Behobendnsmasq-debuginfo-0:2.76-16.el7.ppc64le as a component of Red Hat Enterprise Linux Server Optional (v. 7)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:3878
Behobendnsmasq-debuginfo-0:2.76-16.el7.s390x as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:3878
Behobendnsmasq-debuginfo-0:2.76-16.el7.s390x as a component of Red Hat Enterprise Linux Server Optional (v. 7)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:3878
Behobendnsmasq-debuginfo-0:2.76-16.el7.x86_64 as a component of Red Hat Enterprise Linux Client (v. 7)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:3878
Behobendnsmasq-debuginfo-0:2.76-16.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, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:3878
Behobendnsmasq-debuginfo-0:2.76-16.el7.x86_64 as a component of Red Hat Enterprise Linux ComputeNode (v. 7)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:3878
Behobendnsmasq-debuginfo-0:2.76-16.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, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:3878
Behobendnsmasq-debuginfo-0:2.76-16.el7.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:3878
Behobendnsmasq-debuginfo-0:2.76-16.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, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:3878
Behobendnsmasq-debuginfo-0:2.76-16.el7.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 7)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:3878
Behobendnsmasq-debuginfo-0:2.76-16.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, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:3878
Behobendnsmasq-utils-0:2.76-16.el7.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 7)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:3878
Behobendnsmasq-utils-0:2.76-16.el7.ppc64le as a component of Red Hat Enterprise Linux Server Optional (v. 7)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:3878
Behobendnsmasq-utils-0:2.76-16.el7.s390x as a component of Red Hat Enterprise Linux Server Optional (v. 7)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:3878
Behobendnsmasq-utils-0:2.76-16.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, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:3878
Behobendnsmasq-utils-0:2.76-16.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, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:3878
Behobendnsmasq-utils-0:2.76-16.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, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:3878
Behobendnsmasq-utils-0:2.76-16.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, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:3878

cvss

Technischer Schweregrad, 0–10. Eine Zeile je Quelle.

4.3

010

Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · low–medium · 3.4–4.3

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USAusnutzbarkeit 8.6 · Auswirkung 2.9

v3.13.7lowCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:Lprimary · NVD / NIST USAusnutzbarkeit 2.2 · Auswirkung 1.4

v3.03.7lowCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondary · ENISA EU

v3.03.7lowCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondary · secalert@redhat.com USAusnutzbarkeit 2.2 · Auswirkung 1.4

v3.03.7lowCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondary · Red Hat Product Security US

v3.13.7lowAV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondary · FSTEC (BDU) RU

v3.13.4lowCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:Usecondary · CVSS-BT (t0sche)

schwächen

Die CWE-Schwächeklassen, zu denen dies gehört.

CWE-770USCWE-770USCWE-770US

betroffene Produkte (53)

Betroffene Produkte und Versionsbereiche.

Amazon Linux 2alle Versionencert_bundDEcpe:/o:amazon:linux_2:-
Avaya Aura Application Enablement Servicesalle Versionencert_bundDEcpe:/a:avaya:aura_application_enablement_services:-
Avaya Aura Communication Manageralle Versionencert_bundDEcpe:/a:avaya:communication_manager:-
Avaya Aura Session Manageralle Versionencert_bundDEcpe:/a:avaya:session_manager:-
Avaya Aura System Manageralle Versionencert_bundDEcpe:/a:avaya:aura_system_manager:-
Avaya Session Border Controlleralle Versionencert_bundDEcpe:/h:avaya:session_border_controller:-
Avaya Web License Manageralle Versionencert_bundDEcpe:/a:avaya:web_license_manager:-
Open Source dnsmasq <2.81alle Versionencert_bundDE
Red Hat Enterprise Linuxalle Versionencert_bundDEcpe:/o:redhat:enterprise_linux:-
SUSE Linuxalle Versionencert_bundDEcpe:/o:suse:suse_linux:-
Ubuntu Linuxalle Versionencert_bundDEcpe:/o:canonical:ubuntu_linux:-
Open Source dnsmasq< 2.81cert_bundDE
The Dnsmasq Project dnsmasq≤ before 2.81enisa_euvdEU
Simon Kelley Dnsmasq≤ 2.81fstec_bduRU
АО «НППКТ» ОСОН ОСнова Оnyx≤ 2.5.2fstec_bduRU
ООО «РусБИТех-Астра» Astra Linux Common Edition≤ 1.6 «Смоленск»fstec_bduRU
ООО «РусБИТех-Астра» Astra Linux Special Edition≤ 4.7fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 10fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 11fstec_bduRU
fedoraproject fedora= 31nvdUScpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:*

20 von 53 angezeigt

Advisories (3)

Hersteller- und Ökosystem-Meldungen dazu.

RHSA-2020:1715Red Hat Security Advisory: dnsmasq security, bug fix, and enhancement update2020-04-28csaf · redhat_csafUS
An update for dnsmasq is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
RHSA-2020:3878Red Hat Security Advisory: dnsmasq security and bug fix update2020-09-29csaf · redhat_csafUS
An update for dnsmasq is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
WID-SEC-W-2023-0719dnsmasq: Schwachstelle ermöglicht Denial of ServiceDeutsch2019-12-05csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in dnsmasq ausnutzen, um einen Denial of Service Angriff durchzuführen.

auch bekannt als (4)

Weitere Namen und Kennungen dieser Entität.

quellen

Welche Quellen diesen Datensatz belegen und wann.

cnnvd enisa_euvd fstec_bdu cert_bund nvd redhat_csaf NVD CVE.org MITRE

veröffentlicht 2020-01-07geändert 2026-06-17

Referenzen (32)

Externe Belege — Patches, Meldungen, Analysen.

scry

Angreifer nutzen Schwachstellen wie diese gegen im Internet exponierte Dienste aus. Sehen Sie mit einem kostenlosen Passiv-Scan, was exponiert ist.

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