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Mbed TLS · Vulnerability

CVSS 3.1 3.7 LOWCheck source for fixed versionsKEV status unknown

cve-program · CVE-2026-25832

Published

In Mbed TLS 3.6.x before 3.6.7 and 4.1.x before 4.1.2, the TLS 1.3 client accepts HelloRetryRequest selecting an unadvertised group.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-25832

Published

Mbed TLS

Vendor product

Publisher's version information

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

{
                    "defaultStatus": "unaffected",
                    "product": "Mbed TLS",
                    "vendor": "TrustedFirmware",
                    "versions": [
                        {
                            "lessThan": "3.6.7",
                            "status": "affected",
                            "version": "3.5.0",
                            "versionType": "semver"
                        },
                        {
                            "lessThan": "4.1.2",
                            "status": "affected",
                            "version": "4.0.0",
                            "versionType": "semver"
                        }
                    ]
                }

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 13 Nov 16:22 UTC · 274 of 275 readable · 273 fully read · documentation 469/469 current