CVE-2026-96888 (GCVE-0-2026-96888)

Vulnerability from cvelistv5 – Published: 2026-10-21 12:46 – Updated: 2026-10-21 17:19
VLAI
Title
Named may terminate unexpectedly when a redirect zone is used with strict QNAME minimization
Summary
A BIND resolver that is configured with both a "redirect" zone and "qname-minimization strict" may abort with an assertion failure while processing the redirect. This issue affects BIND 9 versions 9.16.0 through 9.18.50, 9.20.0 through 9.20.29, 9.21.0 through 9.21.26, 9.16.8-S1 through 9.18.50-S1, and 9.20.9-S1 through 9.20.29-S1.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-21 15:18 UTC
CWE
Assigner
isc CNA under the mitre root
CNA scorecard A 95/100 over 33 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
ISC BIND 9 Affected: 9.16.0 , ≤ 9.18.50 (custom)
Affected: 9.20.0 , ≤ 9.20.29 (custom)
Affected: 9.21.0 , ≤ 9.21.26 (custom)
Affected: 9.16.8-S1 , ≤ 9.18.50-S1 (custom)
Affected: 9.20.9-S1 , ≤ 9.20.29-S1 (custom)
    cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:*
    cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:*
    cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:*
    cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:*
    cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-10-21 00:00
Credits
ISC would like to thank Vitaly Simonovich for bringing this vulnerability to our attention.
Show details on NVD website
To clipboard 

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