# Hickory-Dns vulnerabilities Source: https://junglewise.ai/threats/vendors/hickory-dns Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/vendors/hickory-dns.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 34 vulnerabilities in Hickory-Dns: 31 in the last 7 days and 34 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-123608, was published on 8 November 2026. 31 vulnerabilities in the last four weeks, up 933% on the four before (3). 5 technologies have a page of their own. ## Counts - Last 7 days: 31 - Last 30 days: 31 - Last 90 days: 34 - All time: 34 (0 critical, 0 exploited in the wild) ## Latest Hickory-Dns vulnerabilities - [CVE-2026-123608: Hickory DNS hickory-proto denial of service in BinEncoder](https://junglewise.ai/threats/cve-2026-123608-hickory-dns-hickory-proto-from-0-3-1-before-0-26-1-contains-a) (high, CVSS 7.5, published 8 Nov 2026) - [CVE-2026-123607: Hickory DNS NSEC3 closest-encloser proof unbounded loop](https://junglewise.ai/threats/cve-2026-123607-hickory-dns-hickory-proto-0-25-0-alpha-3-through-0-25-2-and) (high, CVSS 7.5, published 8 Nov 2026) - [CVE-2026-123606: hickory-dns recursor glueless-NS referral amplification](https://junglewise.ai/threats/cve-2026-123606-the-hickory-dns-recursor-in-hickory-recursor-0-25-0-alpha-3) (high, CVSS 7.5, published 8 Nov 2026) - [CVE-2026-123605: Hickory DNS DNSSEC validation bypass via RRSIG Signer's Name](https://junglewise.ai/threats/cve-2026-123605-hickory-dns-hickory-proto-0-1-through-0-25-0-alpha-3-and-hickory) (high, CVSS 8.8, published 8 Nov 2026) - [CVE-2026-123604: Hickory DNS hickory-resolver unbounded retry loop resource exhaustion](https://junglewise.ai/threats/cve-2026-123604-hickory-dns-hickory-resolver-0-26-0-beta-1-before-0-26-2) (high, CVSS 7.5, published 8 Nov 2026) - [CVE-2026-123603: Hickory DNS IPv4-mapped IPv6 canonicalization bypass](https://junglewise.ai/threats/cve-2026-123603-hickory-proto-and-hickory-resolver-0-26-0-before-0-26-2-hickory) (medium, CVSS 6.5, published 8 Nov 2026) - [CVE-2026-123602: Hickory DNS recursor cache poisoning via ghost domain attack](https://junglewise.ai/threats/cve-2026-123602-the-hickory-dns-recursor-in-all-versions-of-hickory-recursor-and) (medium, CVSS 5.9, published 8 Nov 2026) - [CVE-2026-123601: Hickory DNS NSEC3 comparison operator inversion](https://junglewise.ai/threats/cve-2026-123601-hickory-dns-hickory-proto-0-25-0-through-0-26-0-alpha-1-and) (medium, CVSS 6.5, published 8 Nov 2026) - [CVE-2026-123600: Hickory DNS DNSSEC validation bypass in NSEC3 NODATA](https://junglewise.ai/threats/cve-2026-123600-hickory-dns-hickory-proto-0-25-0-alpha-3-through-0-25-2-and) (medium, CVSS 4.8, published 8 Nov 2026) - [CVE-2026-123596: Hickory DNS DNSSEC validation bypass in NSEC handler](https://junglewise.ai/threats/cve-2026-123596-hickory-dns-hickory-proto-through-0-26-0-alpha-1-and-hickory-net) (high, CVSS 8.8, published 8 Nov 2026) - [CVE-2026-123595: Hickory DNS DNSSEC validation bypass in NSEC3 handler](https://junglewise.ai/threats/cve-2026-123595-hickory-dns-hickory-proto-0-25-through-0-26-0-alpha-1-and) (high, CVSS 8.8, published 8 Nov 2026) - [CVE-2026-123594: Hickory DNS NSEC validation bypass for NXDOMAIN responses](https://junglewise.ai/threats/cve-2026-123594-hickory-dns-hickory-proto-through-0-26-0-alpha-1-and-hickory-net) (medium, CVSS 4.8, published 8 Nov 2026) - [CVE-2026-123593: Hickory DNS DNSSEC validation bypass in TrustAnchors](https://junglewise.ai/threats/cve-2026-123593-hickory-dns-hickory-net-0-26-0-beta-1-before-0-26-2-and-hickory) (medium, CVSS 4.8, published 8 Nov 2026) - [CVE-2026-123591: Hickory DNS DNSSEC validation bypass via missing RFC 6840 checks](https://junglewise.ai/threats/cve-2026-123591-hickory-dns-hickory-net-0-26-0-beta-1-before-0-26-2-and-hickory) (medium, CVSS 5.9, published 8 Nov 2026) - [CVE-2026-123590: Hickory DNS DNSSEC signature validation bypass in NSEC/NSEC3](https://junglewise.ai/threats/cve-2026-123590-hickory-dns-hickory-net-0-26-0-beta-1-before-0-26-2-and-hickory) (medium, CVSS 4.8, published 8 Nov 2026) - [CVE-2026-123589: hickory-dns DoQ server request read timeout bypass](https://junglewise.ai/threats/cve-2026-123589-the-dns-over-quic-doq-server-in-hickory-server-hickory-dns) (medium, CVSS 5.3, published 8 Nov 2026) - [CVE-2026-123588: Hickory DNS recursive resolver denial of service via cached empty connection pool](https://junglewise.ai/threats/cve-2026-123588-the-recursive-resolver-in-hickory-dns-all-versions-of-the) (high, CVSS 7.5, published 8 Nov 2026) - [CVE-2026-123587: Hickory DNS DNSSEC nonexistence forgery via wraparound NSEC](https://junglewise.ai/threats/cve-2026-123587-the-dnssec-validation-in-the-hickory-dns-hickory-net-crate-0-26) (medium, CVSS 6.8, published 8 Nov 2026) - [CVE-2026-123586: Hickory DNS query amplification in recursive resolver](https://junglewise.ai/threats/cve-2026-123586-hickory-dns-0-25-0-alpha-3-through-0-25-2-contains-a-query) (high, CVSS 7.5, published 8 Nov 2026) - [CVE-2026-123585: Hickory DNS query amplification via irrelevant CNAME records](https://junglewise.ai/threats/cve-2026-123585-the-hickory-resolver-component-of-hickory-dns-0-25-0-before-0-26) (medium, CVSS 5.3, published 8 Nov 2026) - [CVE-2026-123584: Hickory DNS UDP client denial of service via spoofed responses](https://junglewise.ai/threats/cve-2026-123584-the-hickory-net-crate-in-hickory-dns-0-26-0-before-0-26-2-stops) (medium, CVSS 5.9, published 8 Nov 2026) - [CVE-2026-123581: Hickory DNS DNSSEC validation flaw in DNSSEC verification](https://junglewise.ai/threats/cve-2026-123581-hickory-dns-hickory-proto-through-0-26-0-alpha-1-and-hickory-net) (medium, CVSS 5.3, published 8 Nov 2026) - [CVE-2026-123580: Hickory DNS DNSSEC nonexistence proof forgery in NSEC3 verification](https://junglewise.ai/threats/cve-2026-123580-hickory-dns-hickory-net-0-26-0-beta-1-before-0-26-2-and-hickory) (high, CVSS 7.5, published 8 Nov 2026) - [CVE-2026-123577: Hickory DNS resource exhaustion in DoH request buffering](https://junglewise.ai/threats/cve-2026-123577-hickory-dns-from-0-24-0-before-0-26-2-contains-a-resource) (high, CVSS 7.5, published 8 Nov 2026) - [CVE-2026-123576: Hickory DNS memory exhaustion in DNS-over-QUIC](https://junglewise.ai/threats/cve-2026-123576-hickory-dns-0-24-0-through-0-26-1-contains-a-memory-exhaustion) (high, CVSS 7.5, published 8 Nov 2026) ## Most severe Hickory-Dns vulnerabilities - [CVE-2026-123605: Hickory DNS DNSSEC validation bypass via RRSIG Signer's Name](https://junglewise.ai/threats/cve-2026-123605-hickory-dns-hickory-proto-0-1-through-0-25-0-alpha-3-and-hickory) (high, CVSS 8.8, published 8 Nov 2026) - [CVE-2026-123596: Hickory DNS DNSSEC validation bypass in NSEC handler](https://junglewise.ai/threats/cve-2026-123596-hickory-dns-hickory-proto-through-0-26-0-alpha-1-and-hickory-net) (high, CVSS 8.8, published 8 Nov 2026) - [CVE-2026-123595: Hickory DNS DNSSEC validation bypass in NSEC3 handler](https://junglewise.ai/threats/cve-2026-123595-hickory-dns-hickory-proto-0-25-through-0-26-0-alpha-1-and) (high, CVSS 8.8, published 8 Nov 2026) - [CVE-2026-93657: hickory-resolver DNSSEC validation bypass in lookup APIs](https://junglewise.ai/threats/cve-2026-93657-hickory-resolver-dnssec-validation-bypass-in-lookup-apis) (high, CVSS 7.5, published 18 Sep 2026) - [CVE-2026-123608: Hickory DNS hickory-proto denial of service in BinEncoder](https://junglewise.ai/threats/cve-2026-123608-hickory-dns-hickory-proto-from-0-3-1-before-0-26-1-contains-a) (high, CVSS 7.5, published 8 Nov 2026) - [CVE-2026-123607: Hickory DNS NSEC3 closest-encloser proof unbounded loop](https://junglewise.ai/threats/cve-2026-123607-hickory-dns-hickory-proto-0-25-0-alpha-3-through-0-25-2-and) (high, CVSS 7.5, published 8 Nov 2026) - [CVE-2026-123606: hickory-dns recursor glueless-NS referral amplification](https://junglewise.ai/threats/cve-2026-123606-the-hickory-dns-recursor-in-hickory-recursor-0-25-0-alpha-3) (high, CVSS 7.5, published 8 Nov 2026) - [CVE-2026-123604: Hickory DNS hickory-resolver unbounded retry loop resource exhaustion](https://junglewise.ai/threats/cve-2026-123604-hickory-dns-hickory-resolver-0-26-0-beta-1-before-0-26-2) (high, CVSS 7.5, published 8 Nov 2026) - [CVE-2026-123588: Hickory DNS recursive resolver denial of service via cached empty connection pool](https://junglewise.ai/threats/cve-2026-123588-the-recursive-resolver-in-hickory-dns-all-versions-of-the) (high, CVSS 7.5, published 8 Nov 2026) - [CVE-2026-123586: Hickory DNS query amplification in recursive resolver](https://junglewise.ai/threats/cve-2026-123586-hickory-dns-0-25-0-alpha-3-through-0-25-2-contains-a-query) (high, CVSS 7.5, published 8 Nov 2026) ## Vulnerabilities per week 31 vulnerabilities in the last four weeks, up 933% on the four before (3). | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 1 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 2 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 31 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Hickory-Dns technologies - [Hickory-Dns Hickory-Proto](https://junglewise.ai/threats/technologies/hickory-dns-hickory-proto): 18 vulnerabilities - [Hickory-Dns Hickory-Net](https://junglewise.ai/threats/technologies/hickory-dns-hickory-net): 14 vulnerabilities - [Hickory-Dns Hickory-Resolver](https://junglewise.ai/threats/technologies/hickory-resolver): 10 vulnerabilities - [Hickory-Dns Hickory-Recursor](https://junglewise.ai/threats/technologies/hickory-dns-hickory-recursor): 5 vulnerabilities - [Hickory-Dns Hickory DNS](https://junglewise.ai/threats/technologies/hickory-dns): 4 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Hickory-Dns vulnerabilities", https://junglewise.ai/threats/vendors/hickory-dns, 9 November 2026.