CVE-2026-776927.5HighCWE-476
ISC BIND 9 vulnerability
ISC · BIND 9
Not in CISA KEVVendor fix available
6.6%probability of exploitation in the next 30 days
93rd percentile
050100
Higher than 93% of scored CVEs
7.5HighCVSS 3.1
LowMediumHighCrit.
DescriptionNVD
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.
Coverage1 article · 1 outlet
First in our coverage: SecurityWeek, 17 Sep.
- ISC Fixes 14 BIND Flaws Allowing Remote DNS Server CrashesSecurityWeek · first in our coverage · mentions it in passing
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