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Fencer Intel
high 7.5

CVE-2018-1110 json

A flaw was found in knot-resolver before version 2.3.0.

published 5y ago modified 4mo ago also EUVD-2018-11755

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 69%
public exploits
0
none known

Summary

A flaw was found in knot-resolver before version 2.3.0. Malformed DNS messages may cause denial of service.

Patch / fix

  • nic knot_resolver 2.3.0
  • knot-resolver Debian 14, Debian 13, Debian 12 2.3.0-1

debian advisories DEBIAN-CVE-2018-1110

  • knot-resolver Alpine 3.24, Alpine 3.23, Alpine 3.22 +12 more 2.3.0-r0

alpine advisories ALPINE-CVE-2018-1110

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Is CVE-2018-1110 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-1110 updated cvss 7.5

knot-resolver: Denial of service triggered by malformed DNS messages

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.24% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

  • n/a knot-resolver

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.