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ISC would like to thank Samy Medjahed/Ap4sh for bringing this vulnerability to our attention.

3 vulnerability records and advisories credit this contributor.

CVE-2026-19662
qpcache NOQNAME proof use-after-free crashes recursive resolver
CVE-2026-81563
SVCB AliasMode additional-data error leaks qpcache references
CVE-2026-1519
Excessive NSEC3 iterations cause high CPU load during insecure delegation validation