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CVE-2026-123610ModerateNetworkRevised 13 Nov

rustls before 0.23.46 Denial of Service via Brotli Certificate Decompression

No KEV listing collectedCVSS 3.7Fix not stated
MSRC advisory NVD CVE.org

Assessment

Severity
Moderate
CVSS base score
3.7
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:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Public detection template
No Nuclei template is listed in the current collected catalog
Component
Mariner
Weakness
CWE-770: Allocation of Resources Without Limits or Throttling
Issued by
VulnCheck
Published
11 Nov 2026 · November 2026
Last revised
13 Nov 2026Information published.
CVSS 3.1 base metricsRed raises the risk · green lowers it
Attack vector
NetworkAV:N
Attack complexity
HighAC:H
Privileges required
NonePR:N
User interaction
NoneUI:N
Scope
UnchangedS:U
Confidentiality
NoneC:N
Integrity
NoneI:N
Availability
LowA:L

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
8 affected products
  • azl3 kata-containers 4.1.0.kata1-2 on Azure Linux 3.0
  • azl3 kata-containers 4.1.0.kata2-1 on Azure Linux 3.0
  • azl3 kata-containers-cc 3.15.0.aks0-23 on Azure Linux 3.0
  • azl3 kata-containers-cc 3.15.0.aks0-24 on Azure Linux 3.0
  • azl3 rust 1.75.0-31 on Azure Linux 3.0
  • azl3 rust 1.98.1-1 on Azure Linux 3.0
  • azl3 rust-afterburn 5.8.2-2 on Azure Linux 3.0
  • azl4 rpm-ostree 2026.1-7.azl4 on Azure Linux 4.0

What changed

  1. Affected products: azl3 kata-containers 4.1.0.kata1-2 on Azure Linux 3.0, azl3 kata-containers-cc 3.15.0.aks0-23 on Azure Linux 3.0, azl3 rust 1.75.0-31 on Azure Linux 3.0, azl3 rust 1.98.1-1 on Azure Linux 3.0, azl3 rust-afterburn 5.8.2-2 on Azure Linux 3.0 → azl3 kata-containers 4.1.0.kata1-2 on Azure Linux 3.0, azl3 kata-containers 4.1.0.kata2-1 on Azure Linux 3.0, azl3 kata-containers-cc 3.15.0.aks0-23 on Azure Linux 3.0, azl3 kata-containers-cc 3.15.0.aks0-24 on Azure Linux 3.0, azl3 rust 1.75.0-31 on Azure Linux 3.0, azl3 rust 1.98.1-1 on Azure Linux 3.0, azl3 rust-afterburn 5.8.2-2 on Azure Linux 3.0, azl4 rpm-ostree 2026.1-7.azl4 on Azure Linux 4.0
  2. Detection template: Unknown: detection-template evidence is incomplete or retained → No Nuclei template listed
  3. Detection template: No Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
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 (10)

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

  1. 14 Nov 2026 · 08:16:23 UTC Last revised12 Nov 2026 01:45 UTC → 13 Nov 2026 20:40 UTC
  2. 14 Nov 2026 · 08:16:23 UTC Affected productsazl3 kata-containers 4.1.0.kata1-2 on Azure Linux 3.0, azl3 kata-containers-cc 3.15.0.aks0-23 on Azure Linux 3.0, azl3 rust 1.75.0-31 on Azure Linux 3.0, azl3 rust 1.98.1-1 on Azure Linux 3.0, azl3 rust-afterburn 5.8.2-2 on Azure Linux 3.0 → azl3 kata-containers 4.1.0.kata1-2 on Azure Linux 3.0, azl3 kata-containers 4.1.0.kata2-1 on Azure Linux 3.0, azl3 kata-containers-cc 3.15.0.aks0-23 on Azure Linux 3.0, azl3 kata-containers-cc 3.15.0.aks0-24 on Azure Linux 3.0, azl3 rust 1.75.0-31 on Azure Linux 3.0, azl3 rust 1.98.1-1 on Azure Linux 3.0, azl3 rust-afterburn 5.8.2-2 on Azure Linux 3.0, azl4 rpm-ostree 2026.1-7.azl4 on Azure Linux 4.0
  3. 13 Nov 2026 · 12:10:20 UTC Public detection templateUnknown: detection-template evidence is incomplete or retained → No Nuclei template listed
  4. 13 Nov 2026 · 12:10:20 UTC Source coverage: public-exploit-codeIncomplete → Current
  5. 13 Nov 2026 · 12:10:20 UTC Source coverage: first-epssIncomplete → Current
  6. 13 Nov 2026 · 12:10:20 UTC Source coverage: msrc-cvrfIncomplete → Current
  7. 13 Nov 2026 · 11:07:20 UTC Public detection templateNo Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
  8. 13 Nov 2026 · 11:07:20 UTC Source coverage: public-exploit-codeCurrent → Incomplete
  9. 13 Nov 2026 · 11:07:20 UTC Source coverage: first-epssCurrent → Incomplete
  10. 13 Nov 2026 · 11:07:20 UTC Source coverage: msrc-cvrfCurrent → Incomplete

Explore global source statements, affected packages and advisory history for CVE-2026-123610. The catalog has a separate collection scope from Microsoft release records.

More advisories, affected versions and source history

cve-program · CVE-2026-123610

Published

rustls

Vendor product

Publisher's version information

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

{
                    "vendor": "rustls",
                    "product": "rustls",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:cargo/rustls",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThan": "0.23.46"
                        },
                        {
                            "version": "0.23.46",
                            "status": "unaffected",
                            "versionType": "semver"
                        }
                    ]
                }

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

euvd · EUVD-2026-119369

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, 1:38:35 AM

dateUpdated: Nov 9, 2026, 1:52:03 PM

1 related source bulletins · separate from aliases

msrc_CVE-2026-123610: rustls before 0.23.46 Denial of Service via Brotli Certificate Decompression

CVE-2026-123610

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-2026-123610

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: Awaiting Analysis

Weakness classifications: CWE-770

Original publisher date fields

published: 2026-11-08T02:16:56.267

lastModified: 2026-11-12T21:30:23.870

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

osv · GHSA-h2v8-394m-p7vv

Published

rustls

crates.io

SEMVER · introduced 0 → fixed 0.23.46

rustls

crates.io

SEMVER · introduced 0.24.0-dev.1 → fixed 0.24.0-dev.2

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

osv · RUSTSEC-2026-0348

Published

rustls

crates.io

SEMVER · introduced 0.23.9 → fixed 0.23.46

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

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 15 Nov 00:38 UTC · 256 of 275 readable · 254 fully read · documentation 469/469 current

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