The hickory-net crate in Hickory DNS 0.26.0-beta.1 before 0.26.2 allows DNSSEC validation bypass because Name's Hash ignores label lengths and ValidationCacheKey compares only that hash. An attacker controlling an unsigned delegation whose name differs from a signed target only i...
Technology
Debian vulnerabilities
Debian GNU/Linux and Debian packages (DSA/DLA). 78,984 published CVES affecting Debian, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
- Total
- 78,984
- Critical
- 4,983
- High
- 26,517
- Medium
- 32,689
- Low
- 3,019
- Unscored
- 11,776
- CISA KEV
- 261
Latest Debian CVEs
Newest publication first · page 22 of 40 · showing the latest 1,000
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HighCVSS 8.2 EPSS 0.28%
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HighCVSS 8.2 EPSS 0.13%
Hickory DNS hickory-net 0.26.0-beta.1 before 0.26.2 and hickory-proto through 0.26.0-alpha.1 fail to verify, per RFC 6840 §4.4, that an NSEC or NSEC3 record denying a DS RRset also proves the delegation's NS record exists. Attackers can reuse child-side NSEC or NSEC3 records to f...
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CVE-2026-123590 Hickory DNS 0.26.0-beta.1 before 0.26.2 Improper NSEC/NSEC3 Signature Validation
PublishedMediumCVSS 6.3 EPSS 0.16%Hickory DNS hickory-net 0.26.0-beta.1 before 0.26.2 and hickory-proto through 0.26.0-alpha.1 accept NSEC and NSEC3 records for DNSSEC nonexistence proofs when any other record with the same owner name passes signature validation. Attackers able to supply DNS responses can mix val...
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CVE-2026-123588 Hickory DNS Recursive Resolver Denial of Service via Cached Empty Connection Pool
PublishedHighCVSS 8.7 EPSS 0.34%The recursive resolver in Hickory DNS (all versions of the hickory-recursor crate, and hickory-resolver 0.26.0 before 0.26.2) caches an empty connection pool when it follows a referral with no glue records and all queries for the name servers' IP addresses fail. An attacker able...
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MediumCVSS 6.9 EPSS 0.33%
The DNS-over-QUIC (DoQ) server in hickory-server (hickory-dns) before 0.26.2 does not apply any timeout when reading a request message from a QUIC stream, bypassing all configured timeouts. A remote unauthenticated client can open a connection and a request stream and hold it ope...
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CVE-2026-123587 Hickory-DNS 0.26.0 before 0.26.2 DNSSEC Nonexistence Forgery via Wraparound NSEC
PublishedHighCVSS 8.9 EPSS 0.24%The DNSSEC validation in the Hickory DNS hickory-net crate 0.26.0 before 0.26.2 identifies wraparound NSEC records by comparing the next domain name to an SOA record in the response, accepting that SOA even if it fails validation. Attackers who can supply DNS responses can combin...
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CVE-2026-123585 Hickory DNS 0.25.0 before 0.26.2 Query Amplification via Irrelevant CNAME Records
PublishedMediumCVSS 6.9 EPSS 0.30%The hickory-resolver component of Hickory DNS 0.25.0 before 0.26.2 follows irrelevant CNAME records when resolving recursive queries, sending queries that are unnecessary to answer the original request. Attackers controlling DNS responses can include CNAME records in the authorit...
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CVE-2026-123586 Hickory DNS 0.25.0-alpha.3 through 0.25.2 Query Amplification via Cyclic Referrals
PublishedHighCVSS 8.7 EPSS 0.34%Hickory DNS 0.25.0-alpha.3 through 0.25.2 contains a query amplification vulnerability in its recursive resolver, which mishandles cyclic sibling name server referrals that lack glue records. Attackers controlling two zones whose name servers reference each other without glue rec...
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CVE-2026-123584 Hickory-DNS 0.26.0 before 0.26.2 UDP Client Denial of Service via Spoofed Responses
PublishedHighCVSS 8.2 EPSS 0.37%The hickory-net crate in Hickory DNS 0.26.0 before 0.26.2 stops listening and returns an error when a client UDP connection receives a datagram that cannot be parsed as a DNS message. Remote attackers who guess the query's source port, without knowing the transaction ID, can spoo...
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MediumCVSS 6.3 EPSS 0.12%
The validating recursive resolver and validating forwarder in Hickory DNS (hickory-server) 0.25.0 before 0.26.2 do not check whether the SOA record passed DNSSEC validation when assembling NXDOMAIN or NODATA responses. An attacker able to supply forged DNS responses can have a fo...
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CVE-2026-123583 Hickory DNS 0.25.0 through 0.25.2 Missing Bailiwick Filtering on Negative Responses
PublishedMediumCVSS 6.3 EPSS 0.12%The recursive resolver in Hickory DNS hickory-recursor 0.25.0 through 0.25.2 and hickory-resolver 0.26.0 before 0.26.2 does not apply out-of-bailiwick filtering to negative responses. Attackers able to supply crafted negative responses can include out-of-bailiwick records to faci...
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CVE-2026-123581 Hickory DNS through 0.26.0-alpha.1 DNSSEC Validation Bypass via Unrelated RRset
PublishedMediumCVSS 6.9 EPSS 0.13%Hickory DNS hickory-proto through 0.26.0-alpha.1 and hickory-net 0.26.0-beta.1 before 0.26.2 contain a DNSSEC validation flaw that accepts a response as a positive answer when any valid RRset appears in the answer section, without checking that the RRset is responsive to the quer...
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MediumCVSS 6.3 EPSS 0.22%
DNSSEC validation in Hickory DNS hickory-net 0.26.0-beta.1 before 0.26.2 and hickory-proto through 0.26.0-alpha.1 does not distinguish NODATA responses from wildcard-expanded positive responses. For a query that should return NODATA in a zone with wildcard records, an attacker ca...
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CVE-2026-123580 Hickory-DNS 0.26.0-beta.1 before 0.26.2 DNSSEC Nonexistence Proof Forgery via NSEC3
PublishedHighCVSS 8.7 EPSS 0.26%Hickory DNS hickory-net 0.26.0-beta.1 before 0.26.2 and hickory-proto through 0.26.0-alpha.1 perform insufficient checks on NSEC3 record names during DNSSEC verification, comparing only the hashed label without confirming the record belongs to the correct zone. Attackers can supp...
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MediumCVSS 6.3 EPSS 0.28%
Hickory DNS hickory-net 0.26.0 before 0.26.2 and hickory-proto 0.25.0 through 0.25.2 skip the check that a UDP response's question section matches the query when the response has an empty question section (QDCOUNT=0), and also skip the case-randomization check. Remote attackers a...
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CVE-2026-123577 Hickory DNS 0.24.0 before 0.26.2 DoH Unbounded Request Body Denial of Service
PublishedHighCVSS 8.7 EPSS 0.41%Hickory DNS from 0.24.0 before 0.26.2 contains a resource exhaustion vulnerability that allows remote attackers to consume server memory via unbounded DoH request bodies. Attackers can send large request bodies over HTTP/2 or HTTP/3 to a DNS over HTTP server, causing memory exhau...
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CVE-2026-123575 Hickory DNS before 0.26.2 DoH Memory Exhaustion via Incomplete Request Bodies
PublishedHighCVSS 8.7 EPSS 0.41%Hickory DNS before 0.26.2 contains a resource exhaustion vulnerability in its DNS-over-HTTPS HTTP/2 server that lacks sufficient timeouts or limits for incomplete request bodies. Remote attackers can open DoH connections, send incomplete request bodies, and hold connections open...
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CVE-2026-123576 Hickory DNS 0.24.0 through 0.26.1 Memory Exhaustion via DNS-over-QUIC Requests
PublishedHighCVSS 8.7 EPSS 0.41%Hickory DNS 0.24.0 through 0.26.1 contains a memory exhaustion vulnerability that allows remote attackers to consume server resources by sending incomplete DNS-over-QUIC request bodies. Attackers can open many connections and send only large length prefixes, causing pre-allocated...
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HighCVSS 8.7 EPSS 0.34%
The zone file parser in the hickory-proto crate of Hickory DNS 0.24.0 before 0.26.2 panics when a single token in a zone file is 4096 bytes or longer. Attackers who can supply untrusted zone files to an application using the parser can trigger the panic to cause a denial of servi...
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CVE-2026-123573 hickory-dns from 0.20.1 before 0.26.2 Panic in SVCB/HTTPS Zone File Parser
PublishedHighCVSS 8.7 EPSS 0.34%hickory-dns from 0.20.1 before 0.26.2 contains a denial of service vulnerability in the hickory-proto SVCB and HTTPS record presentation format parser. Attackers can supply untrusted zone files where only a single or double quote replaces a service parameter value, triggering a p...
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HighCVSS 8.7 EPSS 0.34%
Hickory-dns from 0.20.1 before 0.26.2 contains a denial of service vulnerability in the hickory-proto SVCB and HTTPS record presentation format parser, which panics on malformed alpn values. Attackers can supply untrusted zone files with unbalanced quotes, consecutive commas, or...
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HighCVSS 8.7 EPSS 0.41%
Hickory DNS from 0.26.0 before 0.26.2 contains an integer underflow vulnerability in TSIG RDATA decoding that allows remote attackers to trigger a panic via malformed records. Attackers can send a crafted TSIG record in DNS wire format to cause unchecked subtraction underflow, cr...
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CVE-2026-123570 Hickory DNS from 0.18 before 0.26.2 Memory Amplification DoS via RR Counts
PublishedHighCVSS 8.7 EPSS 0.41%The DNS wire-format message parser in hickory-proto (Hickory DNS) 0.18 before 0.26.2 preallocates record vectors sized by the untrusted ANCOUNT, NSCOUNT, and ARCOUNT header fields before reading record data. Remote attackers can send a UDP datagram, or a spoofed response to a cli...
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LowCVSS 2.3 EPSS 0.17%
Tornado before 6.6 does not validate the max_age argument of RequestHandler.set_cookie (also called by set_signed_cookie, set_secure_cookie, and clear_cookie), allowing injection of additional Set-Cookie attributes. When an application passes attacker-influenced input as max_age,...
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HighCVSS 8.3 EPSS 0.34%
Tornado before 6.6 contains a path traversal vulnerability in RequestHandler.static_url() and get_version() that allows attackers to hash files outside static_path using ../ sequences. Attackers controlling input passed to static_url() can obtain SHA-512 hashes of readable files...
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.