CVE-2018-5740: ISC BIND 9

A flaw in the "deny-answer-aliases" feature can cause an assertion failure in named

CVSS 7.5 HighCriticalEPSS 0.60 · 99th percentile

Critical, because:

CVSS score 7.5 (7.0 or more) and EPSS 0.60 (0.1 or more): a high score and a real chance of exploitation in the next 30 days.

Published by the CVE Program (CNA: isc) at 16 Jan 2019, 20:00 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
ISC	BIND 9	affected BIND 9 9.7.0->9.8.8, 9.9.0->9.9.13, 9.10.0->9.10.8, 9.11.0->9.11.4, 9.12.0->9.12.2, 9.13.0->9.13.2

Identifiers

CVE-2018-5740

CNA

isc

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
7.5	High	3.0	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	CNA (isc)

CISA KEV Not listed.
EPSS 0.60, the 99th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 16 Jan 2019. New records show when each source confirmed them.

Sources

References from the CNA

www.securityfocus.com/bid/105055 vdb-entrybid
lists.debian.org/debian-lts-announce/2018/08/msg00033.html mailing-listmlist
access.redhat.com/errata/RHSA-2018:2570 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2018:2571 vendor-advisoryredhat
usn.ubuntu.com/3769-2/ vendor-advisoryubuntu
www.securitytracker.com/id/1041436 vdb-entrysectrack
security.netapp.com/advisory/ntap-20180926-0003/ confirm
kb.isc.org/docs/aa-01639 confirm
usn.ubuntu.com/3769-1/ vendor-advisoryubuntu
security.gentoo.org/glsa/201903-13 vendor-advisorygentoo
lists.opensuse.org/opensuse-security-announce/2019-06/msg00027.html vendor-advisorysuse
lists.opensuse.org/opensuse-security-announce/2019-06/msg00026.html vendor-advisorysuse
support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03927en_us confirm
lists.debian.org/debian-lts-announce/2021/11/msg00001.html mailing-listmlist

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.