Security Advisory

CVE-2026-77692

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-09-16 13:55:45

Last updated 2026-09-17 18:43:49

Assigner isc

CVSS score 7.5

State PUBLISHED

Description

An attacker can cause `named` to abort by sending a crafted DNS-over-HTTPS request with a cryptographically invalid SIG(0) record, and then closing the transport connection prematurely. This issue affects BIND 9 versions 9.20.0 through 9.20.27, 9.21.0 through 9.21.25, and 9.20.9-S1 through 9.20.27-S1.

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