CVE-2026-123608ImportantNetwork

Hickory DNS hickory-proto 0.3.1 before 0.26.1 CPU Exhaustion via BinEncoder Name Compression

No KEV listing collectedCVSS 7.5Fix not stated

MSRC advisory NVD CVE.org

Assessment

Severity: Important
CVSS base score: 7.5
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:N/A:H
Public detection template: No Nuclei template is listed in the current collected catalog
Component: Mariner
Weakness: CWE-407: Inefficient Algorithmic Complexity
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: NoneI:N
Availability: HighA:H

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

What changed

Detection template: Unknown: detection-template evidence is incomplete or retained → No Nuclei template listed
13 Nov 2026 · 12:10:20 UTC
Detection template: No Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
13 Nov 2026 · 11:07:20 UTC

Page history

Changes are dated when recorded; day views use the last saved version from that UTC day, and citations stay fixed.

Cite this version

Field-level log (8)

Up to 100 recent field edits are shown; older edits may be outside retention.

13 Nov 2026 · 12:10:20 UTC Public detection templateUnknown: detection-template evidence is incomplete or retained → No Nuclei template listed
13 Nov 2026 · 12:10:20 UTC Source coverage: public-exploit-codeIncomplete → Current
13 Nov 2026 · 12:10:20 UTC Source coverage: first-epssIncomplete → Current
13 Nov 2026 · 12:10:20 UTC Source coverage: msrc-cvrfIncomplete → Current
13 Nov 2026 · 11:07:20 UTC Public detection templateNo Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
13 Nov 2026 · 11:07:20 UTC Source coverage: public-exploit-codeCurrent → Incomplete
13 Nov 2026 · 11:07:20 UTC Source coverage: first-epssCurrent → Incomplete
13 Nov 2026 · 11:07:20 UTC Source coverage: msrc-cvrfCurrent → Incomplete

Explore global source statements, affected packages and advisory history for CVE-2026-123608. The catalog has a separate collection scope from Microsoft release records.

More advisories, affected versions and source history

cve-program · CVE-2026-123608

Published

hickory-dns

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "hickory-dns",
                    "product": "hickory-dns",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:cargo/hickory-proto",
                    "versions": [
                        {
                            "version": "0.3.1",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThan": "0.26.1"
                        },
                        {
                            "version": "0.26.1",
                            "status": "unaffected",
                            "versionType": "semver"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

euvd · EUVD-2026-119367

Published

EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.

Original publisher date fields

datePublished: Nov 8, 2026, 1:38:34 AM

dateUpdated: Nov 12, 2026, 1:38:37 PM

1 related source bulletins · separate from aliases

msrc_CVE-2026-123608: Hickory DNS hickory-proto 0.3.1 before 0.26.1 CPU Exhaustion via BinEncoder Name Compression

CVE-2026-123608

No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.

Original source record · Cite this exact observation · Complete original publisher JSON

nvd · CVE-2026-123608

Published

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Deferred

Weakness classifications: CWE-407

Original publisher date fields

published: 2026-11-08T02:16:55.927

lastModified: 2026-11-12T14:17:26.630

Original source record · Cite this exact observation · Complete original publisher JSON

osv · GHSA-q2qq-hmj6-3wpp

Published

hickory-proto

crates.io

SEMVER · introduced 0.3.1 → fixed 0.26.1

Original source record · Cite this exact observation · Complete original publisher JSON

osv · RUSTSEC-2026-0119

Published

hickory-proto

crates.io

SEMVER · introduced 0.3.1 → fixed 0.26.1

Original source record · Cite this exact observation · Complete original publisher JSON