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7.5Yüksek

CVE-2026-81736Remote CPU denial of service through cached SVCB/HTTPS AliasMode trees

ISC BIND 9 Yayım: (1 ay önce)

Açıklama

If a BIND resolver has cached a tree of SVCB/HTTPS AliasMode records, and is then queried for the root of that tree, the resolver will spend disproportionate CPU time constructing the response. 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.

Zayıflık türü (CWE): CWE-1050

Veri: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Bilgiler kaynaktaki haliyle, İngilizce yayımlanır.

Etkilenen ürünler ve sürümler

ÜreticiÜrünSürümler
isc bind 9.18.0 – ≤ 9.18.50
ISC BIND 9 9.18.0 – ≤ 9.18.50, 9.20.0 – ≤ 9.20.27, 9.21.0 – ≤ 9.21.25, 9.18.11-S1 – ≤ 9.18.50-S1, 9.20.9-S1 – ≤ 9.20.27-S1

Ubuntu düzeltmeleri

  • USN-8969-1 Bind vulnerabilities Ubuntu 26.10, 26.04, 24.04, 22.04 · 03.11.2026 · bind9

Kaynaklar ve yamalar

Aynı üründe son açıklar — Ubuntu 22.04 LTS

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