Back to Database
Status published
Critical
CVE-2017-14492
Heap-based buffer overflow in dnsmasq before 2.78 allows remote attackers...
Vulnerability 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 IPv6 router advertisement request.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2017-14492
Credits & Attribution
No credits recorded in the NVD database.
References
- http://www.securitytracker.com/id/1039474
- https://www.synology.com/support/security/Synology_SA_17_59_Dnsmasq
- http://www.debian.org/security/2017/dsa-3989
- https://access.redhat.com/security/vulnerabilities/3199382
- http://www.securityfocus.com/bid/101085
- http://www.ubuntu.com/usn/USN-3430-1
- https://www.kb.cert.org/vuls/id/973527
- https://security.gentoo.org/glsa/201710-27
- http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=24036ea507862c7b7898b68289c8130f85599c10
- http://www.ubuntu.com/usn/USN-3430-2
- https://www.mail-archive.com/dnsmasq-discuss%40lists.thekelleys.org.uk/msg11665.html
- https://www.exploit-db.com/exploits/42942/
- https://access.redhat.com/errata/RHSA-2017:2836
- http://nvidia.custhelp.com/app/answers/detail/a_id/4561
- http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2017-005.txt
- https://access.redhat.com/errata/RHSA-2017:2837
- http://thekelleys.org.uk/dnsmasq/CHANGELOG
- http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00006.html
- https://security.googleblog.com/2017/10/behind-masq-yet-more-dns-and-dhcp.html
- https://www.mail-archive.com/dnsmasq-discuss%40lists.thekelleys.org.uk/msg11664.html
More from canonical
View All →CVE-2025-31479
canonical/get-workflow-version-action can leak a partial GITHUB_TOKEN in exception output
High
8.2
CVE-2025-24375
MySQL K8s charm could leak credentials for root-level user `serverconfig`
Medium
5
CVE-2024-41129
The ops library leaks secrets if `subprocess.CalledProcessError` happens with a `secret-*` CLI command
Medium
4.4
CVE-2020-8632
In cloud-init through 19.4, rand_user_password in cloudinit/config/cc_set_passwords.py has a small...
Medium
5.5
CVE-2020-8631
cloud-init through 19.4 relies on Mersenne Twister for a random...
Medium
5.5
Affected Vendor
canonical
View all reports →Affected Software
ubuntu linux, debian linux, enterprise linux desktop, enterprise linux server, enterprise linux workstation, dnsmasq
Vulnerable Versions:
14.04, 16.04, 17.04, 7.0, 7.1, 9.0, 0
Timeline
Official Publish:
October 2nd, 2017
Last Modified:
August 5th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.