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CVE PROGRAM SOURCE RECORD7.5 High

CVE-2024-12705

DNS-over-HTTPS implementation suffers from multiple issues under heavy query load

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

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

ISC BIND 9

Default version status: unaffected

  • 9.18.0 to ≤ 9.18.32affected
  • 9.20.0 to ≤ 9.20.4affected
  • 9.21.0 to ≤ 9.21.3affected
  • 9.18.11-S1 to ≤ 9.18.32-S1affected

References