CVE-2017-14493

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

85.24% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 99.7% of scored records. A rank, not a probability.

NVD base score

9.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Critical. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2017-10-02 21:00Z9 YR AGO

Last updated

2024-08-05 19:27Z2 YR AGO

Reserved

2017-09-15

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
• CWE-121Stack-based Buffer OverflowVariant

Data version

5.1

Document digest

75e0afe4d4958b879bbd46240895190bb54818ac4ec8b32cc99be6508146b3f4

• www.securitytracker.com1039474http://www.securitytracker.com/id/1039474vdb-entryx_refsource_SECTRACK
• www.synology.comhttps://www.synology.com/support/security/Synology_SA_17_59_Dnsmasqx_refsource_CONFIRM
• www.debian.orgDSA-3989http://www.debian.org/security/2017/dsa-3989vendor-advisoryx_refsource_DEBIAN
• thekelleys.org.ukhttp://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=3d4ff1ba8419546490b464418223132529514033x_refsource_CONFIRM
• access.redhat.comhttps://access.redhat.com/security/vulnerabilities/3199382x_refsource_CONFIRM
• www.securityfocus.com101085http://www.securityfocus.com/bid/101085vdb-entryx_refsource_BID
• www.exploit-db.com42943https://www.exploit-db.com/exploits/42943/exploitx_refsource_EXPLOIT-DB
• www.ubuntu.comUSN-3430-1http://www.ubuntu.com/usn/USN-3430-1vendor-advisoryx_refsource_UBUNTU
• www.kb.cert.orgVU#973527https://www.kb.cert.org/vuls/id/973527third-party-advisoryx_refsource_CERT-VN
• security.gentoo.orgGLSA-201710-27https://security.gentoo.org/glsa/201710-27vendor-advisoryx_refsource_GENTOO
• www.ubuntu.comUSN-3430-2http://www.ubuntu.com/usn/USN-3430-2vendor-advisoryx_refsource_UBUNTU
• www.mail-archive.com[dnsmasq-discuss] 20171002 Announce: dnsmasq-2.78.https://www.mail-archive.com/dnsmasq-discuss%40lists.thekelleys.org.uk/msg11665.htmlmailing-listx_refsource_MLIST
• access.redhat.comRHSA-2017:2836https://access.redhat.com/errata/RHSA-2017:2836vendor-advisoryx_refsource_REDHAT
• nvidia.custhelp.comhttp://nvidia.custhelp.com/app/answers/detail/a_id/4561x_refsource_CONFIRM
• www.arubanetworks.comhttp://www.arubanetworks.com/assets/alert/ARUBA-PSA-2017-005.txtx_refsource_CONFIRM
• access.redhat.comRHSA-2017:2837https://access.redhat.com/errata/RHSA-2017:2837vendor-advisoryx_refsource_REDHAT
• thekelleys.org.ukhttp://thekelleys.org.uk/dnsmasq/CHANGELOGx_refsource_CONFIRM
• lists.opensuse.orgopenSUSE-SU-2017:2633http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00006.htmlvendor-advisoryx_refsource_SUSE
• security.googleblog.comhttps://security.googleblog.com/2017/10/behind-masq-yet-more-dns-and-dhcp.htmlx_refsource_MISC
• www.mail-archive.com[dnsmasq-discuss] 20171002 IMPORTANT SECURITY INFORMATION.https://www.mail-archive.com/dnsmasq-discuss%40lists.thekelleys.org.uk/msg11664.htmlmailing-listx_refsource_MLIST