Medium severity5.3NVD Advisory· Published Sep 16, 2026· Updated Oct 26, 2026
CVE-2026-19668
CVE-2026-19668
Description
A BIND recursive resolver may experience excessive resource consumption if it encounters large numbers of a particular kind of invalid DNSSEC record. Default limits on "max-records-per-type" and "max-types-per-name" help mitigate the exposure. 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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2Patches
Vulnerability mechanics
References
3News mentions
2- BIND 9 Update Fixes 14 Flaws, Including an Unauthenticated Crash Over DNS-over-HTTPSThe Hacker News · Sep 17, 2026
- ISC Patches 14 BIND 9 Vulnerabilities, Primarily Causing Denial-of-ServiceVypr Intelligence · Sep 16, 2026