CVE-2026-103995LowRevised 31 Oct

Lenient parsing of integers for response body and chunk framing

MSRC advisory NVD CVE.org

Assessment

Severity: Low
CVSS base score: Not published
Impact: Not stated
EPSS · 30-day forecast: No EPSS score collected
Public detection template: No Nuclei template is listed in the current collected catalog
Exploitation detected: Unknown: not stated by MSRC
Exploitability: Not assessed
Publicly disclosed: Unknown: not stated by MSRC
Customer action: Required: follow the MSRC remediation guidance
Component: Mariner
Weakness: CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
Issued by: PSF
Published: 29 Oct 2026 · October 2026
Last revised: 31 Oct 2026Information published.

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

3 affected products

azl3 python-py 1.11.0-1 on Azure Linux 3.0
azl3 python3 3.12.14-2 on Azure Linux 3.0
azl3 tensorflow 2.16.1-11 on Azure Linux 3.0

What changed

Affected products: azl3 python-py 1.11.0-1 on Azure Linux 3.0, azl3 python3 3.12.14-2 on Azure Linux 3.0 → azl3 python-py 1.11.0-1 on Azure Linux 3.0, azl3 python3 3.12.14-2 on Azure Linux 3.0, azl3 tensorflow 2.16.1-11 on Azure Linux 3.0
31 Oct 2026
Detection template: No Nuclei template listed · Customer action: Required: apply the update → Required: follow the MSRC remediation guidance · Public disclosure: No → Unknown: not stated by MSRC · Exploitation detected: Not reported by MSRC → Unknown: not stated by MSRC
29 Oct 2026

Page history

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Cite this version

Field-level log (7)

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31 Oct 2026 · 08:05:42 UTC Last revised29 Oct 2026 01:03 UTC → 31 Oct 2026 01:14 UTC
31 Oct 2026 · 08:05:42 UTC Affected productsazl3 python-py 1.11.0-1 on Azure Linux 3.0, azl3 python3 3.12.14-2 on Azure Linux 3.0 → azl3 python-py 1.11.0-1 on Azure Linux 3.0, azl3 python3 3.12.14-2 on Azure Linux 3.0, azl3 tensorflow 2.16.1-11 on Azure Linux 3.0
29 Oct 2026 · 20:19:26 UTC Public detection templateNo Nuclei template listed
29 Oct 2026 · 20:19:26 UTC EPSSNot scored → No EPSS score collected
29 Oct 2026 · 20:19:26 UTC Customer actionRequired: apply the update → Required: follow the MSRC remediation guidance
29 Oct 2026 · 20:19:26 UTC Publicly disclosedNo → Unknown: not stated by MSRC
29 Oct 2026 · 20:19:26 UTC Exploitation detectedNot reported by MSRC → Unknown: not stated by MSRC

Explore global source statements, affected packages and advisory history for CVE-2026-103995. The catalog has a separate collection scope from Microsoft release records.

cve-program · CVE-2026-103995

Published

CPython

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "defaultStatus": "unaffected",
                    "modules": [
                        "http.client",
                        "http"
                    ],
                    "product": "CPython",
                    "repo": "https://github.com/python/cpython",
                    "vendor": "Python Software Foundation",
                    "versions": [
                        {
                            "lessThan": "3.16.0",
                            "status": "affected",
                            "version": "0",
                            "versionType": "python"
                        }
                    ]
                }

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