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Hickory DNS through 0.26.0-alpha.1 DNSSEC Validation Bypass via Unrelated RRset

No KEV listing collectedCVSS 5.3Fix not stated

Assessment

Severity
Moderate
CVSS base score
5.3
Impact
Not stated
Exploitation detected
Unknown: not stated by MSRC
Exploitability
Not assessed
Publicly disclosed
Unknown: not stated by MSRC
EPSS · 30-day forecast
No EPSS score collected
Customer action
Required: follow the MSRC remediation guidance
More details
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Public detection template
No Nuclei template is listed in the current collected catalog
Component
Mariner
Weakness
CWE-345: Insufficient Verification of Data Authenticity
Issued by
VulnCheck
Published
11 Nov 2026 · November 2026
Last revised
11 Nov 2026
CVSS 3.1 base metricsRed raises the risk · green lowers it
Attack vector
NetworkAV:N
Attack complexity
LowAC:L
Privileges required
NonePR:N
User interaction
NoneUI:N
Scope
UnchangedS:U
Confidentiality
NoneC:N
Integrity
LowI:L
Availability
NoneA:N

Updates that fix it

0 KBs

No KB listed

No KB update is listed in the collected MSRC record. Check the MSRC advisory for product releases and other remedies.

Affected products

Open Source Software
1 affected product
  • azl3 netavark 1.10.3-9 on Azure Linux 3.0
Page history

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Cite this version
Field-level log (0)

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No retained field changes for this selection.

Explore global source statements, affected packages and advisory history for CVE-2026-123581. The catalog has a separate collection scope from Microsoft release records.

More advisories, affected versions and source history

Exploitation and risk

Source status

CISA KEV lists vulnerabilities known to be exploited. FIRST EPSS estimates the likelihood of exploitation in the next 30 days. An unavailable score does not mean zero risk.

Which CVEs have scores here?

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No exploitation or prediction data is available here for these CVEs. This does not mean they are safe or unlikely to be exploited.

Risk history

Compare earlier KEV listings and daily EPSS scores. Advisory wording and affected versions have a separate history.

When does an EPSS score appear as a change?

A prediction change is reported when EPSS rises from below 10% to 10% or higher. Other daily score changes remain in this history.

Advisory history

6 saved versions

See how the publisher's advisory changed over time. Each link opens the version saved at that time. The publisher's update date can differ from the date shown here.

How advisory history works

Each link identifies one complete publisher record. History can include advisories that previously shared an identifier; an identifier removed by a publisher no longer establishes a current relationship. A historical link shows only that record and earlier saved versions. Failed checks and unchanged reads do not create new versions.

12 Nov 2026 15:19:03 UTC

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 …

euvd · EUVD-2026-119340 · Published

12 Nov 2026 15:18:38 UTC

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 …

nvd · CVE-2026-123581 · Published

12 Nov 2026 15:18:33 UTC

DNSSEC validation accepted an unrelated signed RRset as the answer (hickory-proto)

osv · RUSTSEC-2026-0512 · Published

12 Nov 2026 15:18:33 UTC

DNSSEC validation accepted a validly signed but unrelated RRset as the answer

osv · RUSTSEC-2026-0520 · Published

10 Nov 2026 19:21:22 UTC

Hickory DNS through 0.26.0-alpha.1 DNSSEC Validation Bypass via Unrelated RRset

cve-program · CVE-2026-123581 · Published

8 Nov 2026 03:06:35 UTC

Hickory DNS through 0.26.0-alpha.1 DNSSEC Validation Bypass via Unrelated RRset

cve-program · CVE-2026-123581 · Published

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 12 Nov 19:39 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current