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긴급도 8/100 심각도 7.5 · 높음 악용확률 46.4% CWE-401

CVE-2026-81563

Qualys 위협 인텔 · 심각도 4/5 · QID 6877323 · Ubuntu
  • CVSS Temporal 7.5 (현재 위협 반영)
  • 익스플로잇 성숙도: 미증명 (1/4)
  • 공격 위치: 로컬/인증필요
  • 패치: 가능
  • PCI-DSS 관련
A BIND resolver encountering an SVCB/HTTPS AliasMode record referencing 14 or more SVCB/HTTPS ServiceMode records may fail to properly deallocate internal resources. If this happens repeatedly, resource exhaustion will eventually prevent the resolver from performing new recursive lookups.
This issue affects BIND 9 versions 9.18.0 through 9.18.50, 9.20.0 through 9.20.27, 9.21.0 through 9.21.25, 9.18.11-S1 through 9.18.50-S1, and 9.20.9-S1 through 9.20.27-S1.

벡터: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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