{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-57023", "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "state": "PUBLISHED", "assignerShortName": "juniper", "dateReserved": "2026-06-23T16:27:00.248Z", "datePublished": "2026-07-09T21:06:34.219Z", "dateUpdated": "2026-07-10T15:28:45.274Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "platforms": ["SRX Series", "MX Series with SPC3"], "product": "Junos OS", "vendor": "Juniper Networks", "versions": [{"lessThan": "23.4R2-S7", "status": "affected", "version": "23.4", "versionType": "custom"}, {"lessThan": "24.2R2-S4", "status": "affected", "version": "24.2", "versionType": "custom"}, {"lessThan": "24.4R2-S3", "status": "affected", "version": "24.4", "versionType": "custom"}, {"lessThan": "25.2R2", "status": "affected", "version": "25.2", "versionType": "custom"}]}], "datePublic": "2026-07-08T16:00:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "An Improper Validation of Specified Quantity in Input vulnerability in the TCP proxy plugin of Juniper Networks Junos OS on MX Series with SPC3, and SRX Series allows an unauthenticated, network-based attacker to cause a complete Denial of Service (DoS).<br><br>When TCP proxy is engaged in a flow session, to support ALGs,&nbsp;Advanced Anti-Malware, ICAP&nbsp;or UTM, a TCP packet with specifically malformed TCP header will cause flow processing daemon (flowd) to crash and restart. 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{"affected": [{"configurations": [{"platform": ["srx_series", "mx_series_with_spc3"], "status": "affected", "versions": {"scheme": "generic", "value": "[23.4,23.4R2-S7)"}}, {"platform": ["srx_series", "mx_series_with_spc3"], "status": "affected", "versions": {"scheme": "generic", "value": "[24.2,24.2R2-S4)"}}, {"platform": ["srx_series", "mx_series_with_spc3"], "status": "affected", "versions": {"scheme": "generic", "value": "[24.4,24.4R2-S3)"}}, {"platform": ["srx_series", "mx_series_with_spc3"], "status": "affected", "versions": {"scheme": "generic", "value": "[25.2,25.2R2)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Junos OS", "source": "cna", "vendor": "Juniper Networks"}, "product": "junos_os", "vendor": "juniper_networks"}], "created": "2026-07-09T23:15:06.854006+00:00", "updated": "2026-07-10T13:15:16.150042+00:00", "vendors": ["juniper_networks", "juniper_networks$PRODUCT$junos_os"]}