What’s Vulnerable › Vulnerabilities
CVE-2024-12705: DNS-over-HTTPS implementation suffers from multiple issues under heavy query load
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 18.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2025-01-29 · updated 2026-06-17
- Weakness: CWE-770
Description
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 9.21.3, and 9.18.11-S1 through 9.18.32-S1.
Affected products
- ISC BIND: from 9.18.0 through 9.18.32; from 9.20.0 through 9.20.4; from 9.21.0 through 9.21.3; from 9.18.11-S1 through 9.18.32-S1
References
Get alerted when CVE-2024-12705 or the next vulnerability affects your stack