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Inverted NSEC3 comparison lets one record "prove" that almost any name does not exist

🗓️ 03 Sep 2026 12:00:00Reported by rustsecType 
rustsec
 rustsec
🔗 rustsec.org👁 2 Views

Inverted NSEC3 comparison in DnssecDnsHandle allows forged negative DNSSEC answers.

Related
Detection
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-123601
8 Nov 202603:20
–circl
cve
CVE
CVE-2026-123601
8 Nov 202601:38
–cve
cvelist
Cvelist
CVE-2026-123601 Hickory DNS 0.26.0-beta.1 before 0.26.2 NSEC3 Proof of Nonexistence Forgery
8 Nov 202601:38
–cvelist
debiancve
Debian CVE
CVE-2026-123601
8 Nov 202618:55
–debiancve
euvd
EUVD
EUVD-2026-119360
8 Nov 202601:38
–euvd
mend
Mend
CVE-2026-123601
8 Nov 202601:38
–mend
nvd
NVD
CVE-2026-123601
8 Nov 202602:16
–nvd
osv_debian
osv_debian
DEBIAN-CVE-2026-123601
8 Nov 202602:16
–osv_debian
osv_rustsec
osv_rustsec
RUSTSEC-2026-0504 Inverted NSEC3 comparison in DNSSEC validation (hickory-proto 0.25)
3 Sep 202612:00
–osv_rustsec
osv_rustsec
osv_rustsec
RUSTSEC-2026-0506 Inverted NSEC3 comparison lets one record "prove" that almost any name does not exist
3 Sep 202612:00
–osv_rustsec
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Vulners
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hickory-dnshickory-netRange0.0.0–0.26.2rust

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12 Nov 2026 13:59Current
CVSS 3.16.5
CVSS 48.3
EPSS0.00279
SSVC
2