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ESF-IDF: Bluetooth Classic L2CAP Heap Memory Disclosure Allowing Unauthorized Access to Sensitive Data

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

cve-program · CVE-2026-81507

Published

esp-idf

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "espressif",
                    "product": "esp-idf",
                    "versions": [
                        {
                            "version": "< 5.2.8",
                            "status": "affected"
                        },
                        {
                            "version": ">= 5.3-beta1, < 5.3.6",
                            "status": "affected"
                        },
                        {
                            "version": ">= 5.4-beta1, < 5.5.5",
                            "status": "affected"
                        },
                        {
                            "version": ">= 6.0-beta1, < 6.0.3",
                            "status": "affected"
                        },
                        {
                            "version": ">= 6.1-beta1, < 6.1-rc1",
                            "status": "affected"
                        }
                    ]
                }

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 10 Nov 03:40 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current