Resource exhaustion in Isc Bind 9
CVE-2024-12705
Clients using DNS-over-HTTPS (DoH) can exhaust a DNS resolver's CPU and/or memory by flooding it with crafted valid or invalid HTTP/2 traffic. This issue affects BIND 9 versions 9.18.0 through 9.18.32, 9.20.0 through 9.20.4, 9.21.0 through…
EPSS: 0.056 (90.5th 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 9.18.0, 9.20.0, 9.21.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- CVE-2024-12705 (vendor-advisory)
Frequently asked questions
- What is CVE-2024-12705?
- CVE-2024-12705 is a high-severity vulnerability in Isc Bind 9, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2025-01-29.
- How severe is CVE-2024-12705?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2024-12705 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.