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FreeRDP before 3.31.0 Buffer Over-read via RTS Gateway

CVSS 3.1 6.5 MEDIUMCVSS 4.0 7.1 HIGHCheck source for fixed versionsKEV status unknown

cve-program · CVE-2026-91959

Published

FreeRDP before 3.31.0 contains a buffer over-read vulnerability in the rts_read_result function within the RPC gateway transport parser. Attackers can send a malicious BIND_ACK PDU with a truncated result entry to trigger an out-of-bounds read causing process abort.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-91959

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 01:58 UTC · 274 of 275 readable · 272 fully read · documentation 464/469 current