5.3

CVE-2026-3592

Amplification vulnerabilities via self-pointed glue records

BIND resolvers are vulnerable to an amplified resource consumption/exhaustion attack.  If a victim resolver makes a query to a specially crafted zone, the resolver will consume disproportionate resources.
This issue affects BIND 9 versions 9.11.0 through 9.16.50, 9.18.0 through 9.18.48, 9.20.0 through 9.20.22, 9.21.0 through 9.21.21, 9.11.3-S1 through 9.16.50-S1, 9.18.11-S1 through 9.18.48-S1, and 9.20.9-S1 through 9.20.22-S1.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Isc ≫ Bind SwEdition- Version >= 9.11.0 <= 9.16.50
Isc ≫ Bind SwEdition- Version >= 9.18.0 < 9.18.49
Isc ≫ Bind SwEdition- Version >= 9.20.0 < 9.20.23
Isc ≫ Bind SwEdition- Version >= 9.21.0 < 9.21.22
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.41% 0.321
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
security-officer@isc.org 5.3 3.9 1.4
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE-408 Incorrect Behavior Order: Early Amplification

The product allows an entity to perform a legitimate but expensive operation before authentication or authorization has taken place.

https://downloads.isc.org/isc/bind9/9.18.49
Patch
https://downloads.isc.org/isc/bind9/9.20.23
Patch
https://downloads.isc.org/isc/bind9/9.21.22
Patch
https://kb.isc.org/docs/cve-2026-3592
Vendor Advisory