CVE-2024-4076

Assertion failure when serving both stale cache data and authoritative zone content

At a glance

Severity
HIGH 7.5
EPSS
EPSS 2.11 % · percentile 82 (2026-10-27)
State
PUBLISHED
Published
Updated
Assigner
isc
NVD status
Deferred

Description

Client queries that trigger serving stale data and that also require lookups in local authoritative zone data may result in an assertion failure. This issue affects BIND 9 versions 9.16.13 through 9.16.50, 9.18.0 through 9.18.27, 9.19.0 through 9.19.24, 9.11.33-S1 through 9.11.37-S1, 9.16.13-S1 through 9.16.50-S1, and 9.18.11-S1 through 9.18.27-S1.

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hisc
CVSS 3.1HIGH 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HNVD · security-officer@isc.org (Secondary)

Weaknesses (CWE)

European references

CERT-FR advisories

Affected products

ProductVersions
ISC · BIND 9affected 9.16.13 ≤ 9.16.50 ; affected 9.18.0 ≤ 9.18.27 ; affected 9.19.0 ≤ 9.19.24 ; affected 9.11.33-S1 ≤ 9.11.37-S1 ; affected 9.16.13-S1 ≤ 9.16.50-S1 ; affected 9.18.11-S1 ≤ 9.18.27-S1

References

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD