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FreeRDP before 3.31.0 Use-After-Free via smartcard worker

CVSS 4.0 2.3 LOWCVSS 3.1 3.1 LOWCheck source for fixed versionsKEV status unknown

cve-program · CVE-2026-91957

Published

FreeRDP before 3.31.0 contains a use-after-free vulnerability in the smartcard RDPDR device handler when worker thread creation fails after device registration. Attackers can trigger thread creation failure during channel setup to cause device pointer deallocation while devman retains a reference, leading to crash or code execution.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-91957

Published

FreeRDP

Vendor product

Publisher's version information

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

{
                    "vendor": "FreeRDP",
                    "product": "FreeRDP",
                    "defaultStatus": "unaffected",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThan": "3.31.0"
                        },
                        {
                            "version": "3.31.0",
                            "status": "unaffected",
                            "versionType": "semver"
                        }
                    ]
                }

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

ChangeIntel

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Sources read 13 Nov 07:12 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current