Unrated severityNVD Advisory· Published Mar 25, 2026· Updated Mar 25, 2026
Memory leak in code preparing DNSSEC proofs of non-existence
CVE-2026-3104
Description
A specially crafted domain can be used to cause a memory leak in a BIND resolver simply by querying this domain. This issue affects BIND 9 versions 9.20.0 through 9.20.20, 9.21.0 through 9.21.19, and 9.20.9-S1 through 9.20.20-S1. BIND 9 versions 9.18.0 through 9.18.46 and 9.18.11-S1 through 9.18.46-S1 are NOT affected.
Affected products
1- ISC/BIND 9v5Range: 9.20.0
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
3- downloads.isc.org/isc/bind9/9.20.21mitrepatch
- downloads.isc.org/isc/bind9/9.21.20mitrepatch
- kb.isc.org/docs/cve-2026-3104mitrevendor-advisory
News mentions
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