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CVE-2026-19630

7.5 high SSVC exploitation: none Awaiting Analysis
NVD · CVE.org

In a BIND resolver, inbound DNS protocol messages with a particular structure will result in additional processing, with no limit imposed by BIND. A DNS message with a maliciously large number of such structures will cause BIND to consume disproportionate amounts of CPU time and memory during processing. This issue affects BIND 9 versions 9.11.0 through 9.18.50, 9.20.0 through 9.20.29, 9.21.0 through 9.21.26, 9.11.3-S1 through 9.18.50-S1, and 9.20.9-S1 through 9.20.29-S1.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 6

  1. StatusPublished → Awaiting AnalysisNVD modified 2026-10-22 17:36
  2. StatusReceived → PublishedNVD modified 2026-10-21 17:19
  3. StatusPublished → ReceivedNVD modified 2026-10-21 18:17
  4. StatusReceived → PublishedNVD modified 2026-10-21 12:41
  5. StatusPublished → ReceivedNVD modified 2026-10-21 13:18
  6. First seenCVSS 7.5 · iscNVD modified 2026-10-21 12:41

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 3