CVE-2026-196667.5HighCWE-416
ISC BIND 9 vulnerability
ISC · BIND 9
Not in CISA KEVVendor fix available
0.6%probability of exploitation in the next 30 days
46th percentile
050100
Higher than 46% of scored CVEs
7.5HighCVSS 3.1
LowMediumHighCrit.
DescriptionNVD
On a resolver configured to use ``dns64``, if an applicable answer from the authoritative server is malformed in a specific way, the resolver `named` process will exit unexpectedly. This issue affects BIND 9 versions 9.11.0 through 9.18.50, 9.20.0 through 9.20.27, 9.21.0 through 9.21.25, 9.11.3-S1 through 9.18.50-S1, 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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