Is CVE-2017-14491 actively exploited?

CVE-2017-14491 has no public evidence of in-the-wild exploitation as of 2025-04-20.

What is the CVSS score for CVE-2017-14491?

CVE-2017-14491 has a CVSS score of 9.8 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2017-14491?

Patch guidance is available from thekelleys security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2017-14491.

Fix CVE-2017-14491 - CRITICAL thekelleys dnsmasq

Q: Which products are affected by CVE-2017-14491?

46 products: thekelleys dnsmasq, redhat enterprise linux desktop, redhat enterprise linux desktop, redhat enterprise linux server, redhat enterprise linux server, and 41 more.

Description

Heap-based buffer overflow in dnsmasq before 2.78 allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a crafted DNS response.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-787 · Out-of-bounds Write

Metadata

Primary Vendor: THEKELLEYS
Published: 10/4/2017
Last Modified: 4/20/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

thekelleys : dnsmasqredhat : enterprise_linux_desktopredhat : enterprise_linux_desktopredhat : enterprise_linux_serverredhat : enterprise_linux_serverredhat : enterprise_linux_workstationredhat : enterprise_linux_workstationcanonical : ubuntu_linuxcanonical : ubuntu_linuxcanonical : ubuntu_linuxcanonical : ubuntu_linuxcanonical : ubuntu_linuxdebian : debian_linuxdebian : debian_linuxdebian : debian_linuxdebian : debian_linuxopensuse : leapopensuse : leapsuse : linux_enterprise_debuginfosuse : linux_enterprise_debuginfosuse : linux_enterprise_point_of_salesuse : linux_enterprise_serversuse : linux_enterprise_serversuse : linux_enterprise_servernvidia : linux_for_tegranvidia : linux_for_tegranvidia : geforce_experiencehuawei : honor_v9_play_firmwarearista : eosarista : eosarista : eosarista : eossiemens : ruggedcom_rm1224_firmwaresiemens : scalance_m-800_firmwaresiemens : scalance_s615_firmwaresiemens : scalance_w1750d_firmwarearubanetworks : arubaosarubanetworks : arubaosarubanetworks : arubaosarubanetworks : arubaosarubanetworks : arubaosarubanetworks : arubaossynology : router_managersynology : diskstation_managersynology : diskstation_managersynology : diskstation_manager

Remediation Guidance

Executive Summary

View on NIST NVD