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Vulnerability details: VCID-kxbw-1fr9-8kb3
Vulnerability ID VCID-kxbw-1fr9-8kb3
Aliases CVE-2017-14492
Summary Multiple vulnerabilities have been found in Dnsmasq, the worst of which may allow remote attackers to execute arbitrary code.
Status Published
Exploitability 2.0
Weighted Severity 9.0
Risk 10.0
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-122 Heap-based Buffer Overflow
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
System Score Found at
cvssv3 8.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-14492.json
epss 0.92841 https://api.first.org/data/v1/epss?cve=CVE-2017-14492
epss 0.92841 https://api.first.org/data/v1/epss?cve=CVE-2017-14492
epss 0.92841 https://api.first.org/data/v1/epss?cve=CVE-2017-14492
epss 0.92841 https://api.first.org/data/v1/epss?cve=CVE-2017-14492
cvssv2 4.8 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3 5.4 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 7.5 https://nvd.nist.gov/vuln/detail/CVE-2017-14492
cvssv3 9.8 https://nvd.nist.gov/vuln/detail/CVE-2017-14492
archlinux Critical https://security.archlinux.org/AVG-421
Reference id Reference type URL
http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00006.html
http://nvidia.custhelp.com/app/answers/detail/a_id/4561
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-14492.json
https://access.redhat.com/security/vulnerabilities/3199382
https://api.first.org/data/v1/epss?cve=CVE-2017-14492
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14491
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14492
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14493
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14494
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://security.googleblog.com/2017/10/behind-masq-yet-more-dns-and-dhcp.html
https://www.exploit-db.com/exploits/42942/
https://www.kb.cert.org/vuls/id/973527
https://www.mail-archive.com/dnsmasq-discuss%40lists.thekelleys.org.uk/msg11664.html
https://www.mail-archive.com/dnsmasq-discuss%40lists.thekelleys.org.uk/msg11665.html
https://www.synology.com/support/security/Synology_SA_17_59_Dnsmasq
http://thekelleys.org.uk/dnsmasq/CHANGELOG
http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=24036ea507862c7b7898b68289c8130f85599c10
http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2017-005.txt
http://www.debian.org/security/2017/dsa-3989
http://www.securityfocus.com/bid/101085
http://www.securitytracker.com/id/1039474
http://www.ubuntu.com/usn/USN-3430-1
http://www.ubuntu.com/usn/USN-3430-2
1495410 https://bugzilla.redhat.com/show_bug.cgi?id=1495410
ASA-201710-1 https://security.archlinux.org/ASA-201710-1
AVG-421 https://security.archlinux.org/AVG-421
cpe:2.3:a:thekelleys:dnsmasq:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:thekelleys:dnsmasq:*:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:17.04:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:17.04:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:7.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:7.1:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:novell:leap:42.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:novell:leap:42.2:*:*:*:*:*:*:*
cpe:2.3:o:novell:leap:42.3:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:novell:leap:42.3:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
CVE-2017-14492 Exploit https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/multiple/dos/42942.py
CVE-2017-14492 https://nvd.nist.gov/vuln/detail/CVE-2017-14492
CVE-2017-14492 Exploit https://raw.githubusercontent.com/google/security-research-pocs/master/vulnerabilities/dnsmasq/CVE-2017-14492.py
GLSA-201710-27 https://security.gentoo.org/glsa/201710-27
RHSA-2017:2836 https://access.redhat.com/errata/RHSA-2017:2836
RHSA-2017:2837 https://access.redhat.com/errata/RHSA-2017:2837
USN-3430-1 https://usn.ubuntu.com/3430-1/
USN-3430-2 https://usn.ubuntu.com/3430-2/
Data source Exploit-DB
Date added Oct. 2, 2017
Description Dnsmasq < 2.78 - Heap Overflow
Ransomware campaign use Known
Source publication date Oct. 2, 2017
Exploit type dos
Platform multiple
Source update date Oct. 2, 2017
Source URL https://raw.githubusercontent.com/google/security-research-pocs/master/vulnerabilities/dnsmasq/CVE-2017-14492.py
Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-14492.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:A/AC:L/Au:N/C:N/I:P/A:P Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2017-14492
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2017-14492
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.99763
EPSS Score 0.92841
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:02:25.295432+00:00 Gentoo Importer Import https://security.gentoo.org/glsa/201710-27 38.0.0