CVE-2017-14491

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

86.49% 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:3.1/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-787Out-of-bounds WriteBase
• CWE-122Heap-based Buffer OverflowVariant

Data version

5.1

Document digest

9e8c14dda11106c6fe7bc053e530e664325a58bf603d4091be7aad60f78082d2

• 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
• access.redhat.comhttps://access.redhat.com/security/vulnerabilities/3199382x_refsource_CONFIRM
• www.securityfocus.com101085http://www.securityfocus.com/bid/101085vdb-entryx_refsource_BID
• www.ubuntu.comUSN-3430-1http://www.ubuntu.com/usn/USN-3430-1vendor-advisoryx_refsource_UBUNTU
• thekelleys.org.ukhttp://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=0549c73b7ea6b22a3c49beb4d432f185a81efcbcx_refsource_CONFIRM
• www.securityfocus.com101977http://www.securityfocus.com/bid/101977vdb-entryx_refsource_BID
• access.redhat.comRHSA-2017:2838https://access.redhat.com/errata/RHSA-2017:2838vendor-advisoryx_refsource_REDHAT
• 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
• access.redhat.comRHSA-2017:2840https://access.redhat.com/errata/RHSA-2017:2840vendor-advisoryx_refsource_REDHAT
• www.ubuntu.comUSN-3430-2http://www.ubuntu.com/usn/USN-3430-2vendor-advisoryx_refsource_UBUNTU
• access.redhat.comRHSA-2017:2839https://access.redhat.com/errata/RHSA-2017:2839vendor-advisoryx_refsource_REDHAT
• 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
• www.exploit-db.com42941https://www.exploit-db.com/exploits/42941/exploitx_refsource_EXPLOIT-DB
• thekelleys.org.ukhttp://thekelleys.org.uk/dnsmasq/CHANGELOGx_refsource_CONFIRM
• access.redhat.comRHSA-2017:2841https://access.redhat.com/errata/RHSA-2017:2841vendor-advisoryx_refsource_REDHAT
• nvidia.custhelp.comhttp://nvidia.custhelp.com/app/answers/detail/a_id/4560x_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
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-689071.pdfx_refsource_CONFIRM
• lists.fedoraproject.orgFEDORA-2017-515264ae24https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5MMPCJOYPPL4B5RBY4U425PWG7EETDTD/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2017-24f067299ehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YXRZ2W6TV6NLUJC5NOFBSG6PZSMDTYPV/vendor-advisoryx_refsource_FEDORA
• www.ubuntu.comUSN-3430-3http://www.ubuntu.com/usn/USN-3430-3vendor-advisoryx_refsource_UBUNTU
• packetstormsecurity.comhttp://packetstormsecurity.com/files/144480/Dnsmasq-2-Byte-Heap-Based-Overflow.htmlx_refsource_MISC
• lists.opensuse.orgSUSE-SU-2017:2619http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00005.htmlvendor-advisoryx_refsource_SUSE
• www.broadcom.comhttps://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2017-449/x_refsource_CONFIRM
• www.huawei.comhttp://www.huawei.com/en/psirt/security-advisories/huawei-sa-20171103-01-dnsmasq-enx_refsource_CONFIRM
• www.broadcom.comhttps://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2017-449x_refsource_CONFIRM
• lists.fedoraproject.orgFEDORA-2017-7106a157f5https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/527KNN34RN2SB6MBJG7CKSEBWYE3TJEB/vendor-advisoryx_refsource_FEDORA
• lists.opensuse.orgSUSE-SU-2017:2616http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00003.htmlvendor-advisoryx_refsource_SUSE
• lists.opensuse.orgSUSE-SU-2017:2617http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00004.htmlvendor-advisoryx_refsource_SUSE
• www.debian.orgDSA-3989https://www.debian.org/security/2017/dsa-3989vendor-advisoryx_refsource_DEBIAN
• www.arista.comhttps://www.arista.com/en/support/advisories-notices/security-advisories/3577-security-advisory-30x_refsource_MISC