An issue was discovered in HAProxy before 3.3.6. The HTTP/3 parser does not check that the received body length matches a previously announced content-length when the stream is closed via a frame with an empty payload. This can cause desync…

{
                    "defaultStatus": "unaffected",
                    "product": "HAProxy",
                    "vendor": "HAProxy",
                    "versions": [
                        {
                            "lessThan": "3.3.6",
                            "status": "affected",
                            "version": "2.6",
                            "versionType": "custom"
                        }
                    ]
                }