What is CVE-2024-1975?

CVE-2024-1975 is a high-severity vulnerability in Isc Bind 9. CVSS score: 7.5/10. Published 2024-07-23.

How severe is CVE-2024-1975?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2024-1975 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Isc Bind 9

CVE-2024-1975

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 requ…

EPSS: 0.002 (47.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Isc Bind 9 — versions 9.0.0, 9.16.0, 9.18.0

Public proof-of-concept exploits

References

CVE-2024-1975 (vendor-advisory)
www.openwall.com/lists/oss-security/2024/07/23/1
www.openwall.com/lists/oss-security/2024/07/31/2

Frequently asked questions

What is CVE-2024-1975?: CVE-2024-1975 is a high-severity vulnerability in Isc Bind 9. CVSS score: 7.5/10. Published 2024-07-23.
How severe is CVE-2024-1975?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2024-1975 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.