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CVE PROGRAM SOURCE RECORD7.5 High

CVE-2025-8677

Resource exhaustion via malformed DNSKEY handling

Read JSON ↗CVE.org ↗
Status
Published
Published
Updated
Assigning organization
isc

Description

Querying for records within a specially crafted zone containing certain malformed DNSKEY records can lead to CPU exhaustion. This issue affects BIND 9 versions 9.18.0 through 9.18.39, 9.20.0 through 9.20.13, 9.21.0 through 9.21.12, 9.18.11-S1 through 9.18.39-S1, and 9.20.9-S1 through 9.20.13-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 ≤ 9.18.39affected
  • 9.20.0 to ≤ 9.20.13affected
  • 9.21.0 to ≤ 9.21.12affected
  • 9.18.11-S1 to ≤ 9.18.39-S1affected
  • 9.20.9-S1 to ≤ 9.20.13-S1affected

References