High severity7.5NVD Advisory· Published Mar 25, 2026· Updated May 21, 2026
CVE-2026-3104
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
8- osv-coords6 versionspkg:rpm/opensuse/bind&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/bind&distro=openSUSE%20Tumbleweedpkg:rpm/suse/bind&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/bind&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP7pkg:rpm/suse/bind&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/bind&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0
< 9.20.21-160000.1.1+ 5 more
- (no CPE)range: < 9.20.21-160000.1.1
- (no CPE)range: < 9.20.21-1.1
- (no CPE)range: < 9.20.21-150700.3.18.1
- (no CPE)range: < 9.20.21-150700.3.18.1
- (no CPE)range: < 9.20.21-160000.1.1
- (no CPE)range: < 9.20.21-160000.1.1
Patches
Vulnerability mechanics
References
3- downloads.isc.org/isc/bind9/9.20.21nvdPatch
- downloads.isc.org/isc/bind9/9.21.20nvdPatch
- kb.isc.org/docs/cve-2026-3104nvdVendor Advisory
News mentions
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