No exploitation reportedFix available

CVE-2024-1975

No exploitation reported by the sources we read.

Published2024-07-23
WeaknessCWE-770

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

If a server hosts a zone containing a "KEY" Resource Record, or a resolver DNSSEC-validates a "KEY" Resource Record from a DNSSEC-signed domain in cache, a client can exhaust resolver CPU resources by sending a stream of SIG(0) signed requests. This issue affects BIND 9 versions 9.0.0 through 9.11.37, 9.16.0 through 9.16.50, 9.18.0 through 9.18.27, 9.19.0 through 9.19.24, 9.9.3-S1 through 9.11.37-S1, 9.16.8-S1 through 9.16.49-S1, and 9.18.11-S1 through 9.18.27-S1.

Timeline

dates in UTC

2024-07-2315:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2024-1975?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2024-1975?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

CISA-ADP

Isc bind

Branch	Affected	Fixed in	Source
9.x	≥ 9.0, ≤ 9.11.37	no fix published	CISA-ADP
9.16	≥ 9.16.0, ≤ 9.16.50	no fix published	CISA-ADP
9.16	≥ 9.16.8, ≤ 9.16.49-s1	no fix published	CISA-ADP
9.18	≥ 9.18.0, ≤ 9.18.27	no fix published	CISA-ADP
9.18	≥ 9.18.11, ≤ 9.18.27-s1	no fix published	CISA-ADP
9.19	≥ 9.19.0, ≤ 9.19.24	no fix published	CISA-ADP
9.x	≥ 9.9.3, ≤ 9.11.37-s1	no fix published	CISA-ADP

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

RHSA-2024:6004 Red Hat Product Security4 products fixed
Red Hat Security Advisory: OpenShift Container Platform 4.16.10 bug fix and security update

Full record on NVD

Fix

Vendor fix Red Hat Product Security RHSA-2024:6004 · 4 productsFor OpenShift Container Platform 4.16 see the following documentation, which will be updated shortly for this release, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update: https://docs.openshift.com/container-platform/4.16/release_notes/o…
Workaround from the vendor Red Hat Product Security RHSA-2024:6004 · 664 productsMitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVE recordread 2026-10-23
CISA-ADPSSVC decisionnone2024-07-23
OpenCVESSVC decisionnone—
CNACVSS 3.17.5read 2026-10-23
CISA-ADPweakness (CWE)CWE-7702024-07-23
FIRST EPSSEPSS score2.1 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published: 2024-07-23
Last Modified: 2026-06-17
NVD status: Deferred

Frequently asked questions

What is CVE-2024-1975?

Is CVE-2024-1975 actively exploited?

Active exploitation of CVE-2024-1975 has not been confirmed. Its EPSS score was 2.1% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2024-1975?

CVE-2024-1975 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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