Vulnerability intelligence
CVE-2026-77692
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.
CVSS Score
7.5
High
EPSS — Exploit Probability
—
Awaiting FIRST.org data · checked 2026-09-17
Exploitation
Not in CISA KEV
KEV does not include every exploited vulnerability
Remediation
Patch available
Vendor fix published
1 article across 1 outlet · first covered Sep 17, 2026 · latest Sep 17, 2026
Coverage timeline
-
ISC Fixes 14 BIND Flaws Allowing Remote DNS Server Crasheswww.securityweek.com · Sep 17, 2026