{ "document": { "category": "csaf_base", "csaf_version": "2.0", "distribution": { "tlp": { "label": "WHITE" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this portal to enhance access to its information and vulnerabilities. The use of this information is subject to the following terms and conditions:\n\nThe vulnerabilities disclosed in this portal are gathered by NCSC-NL from a variety of open sources, which the user can retrieve from other platforms. NCSC-NL makes every reasonable effort to ensure that the content of this portal is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or real-time keeping up-to-date. NCSC-NL does not control nor guarantee the accuracy, relevance, timeliness or completeness of information obtained from these external sources. The vulnerabilities disclosed in this portal are intended solely for the convenience of professional parties to take appropriate measures to manage the risks posed to the cybersecurity. No rights can be derived from the information provided therein.\n\nNCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of the vulnerabilities disclosed in this portal. This includes damage resulting from the inaccuracy of incompleteness of the information contained in it.\nThe information on this page is subject to Dutch law. All disputes related to or arising from the use of this portal regarding the disclosure of vulnerabilities will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings." } ], "publisher": { "category": "coordinator", "contact_details": "cert@ncsc.nl", "name": "National Cyber Security Centre", "namespace": "https://www.ncsc.nl/" }, "title": "CVE-2026-57026", "tracking": { "current_release_date": "2026-07-13T05:27:48.209961Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-57026", "initial_release_date": "2026-07-08T18:40:26.655383Z", "revision_history": [ { "date": "2026-07-08T18:40:26.655383Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (1).| Product Remediations created (1).| Products connected (8).| Vendor_assessment created." }, { "date": "2026-07-08T18:40:35.253000Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-07-09T03:41:52.430703Z", "number": "3", "summary": "Source connected.| CVE status created. (valid)" }, { "date": "2026-07-09T11:09:28.093689Z", "number": "4", "summary": "Source connected.| CVE status created. (valid)| Products connected (6).| References created (26)." }, { "date": "2026-07-09T11:09:30.160363Z", "number": "5", "summary": "NCSC Score updated." }, { "date": "2026-07-09T22:26:47.522106Z", "number": "6", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (1).| CWES updated (1)." }, { "date": "2026-07-09T22:26:50.590368Z", "number": "7", "summary": "NCSC Score updated." }, { "date": "2026-07-09T23:16:42.494634Z", "number": "8", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (5).| Products created (1).| References created (1).| CWES updated (1)." }, { "date": "2026-07-09T23:16:51.096156Z", "number": "9", "summary": "NCSC Score updated." }, { "date": "2026-07-10T15:40:00.265113Z", "number": "10", "summary": "Unknown change." }, { "date": "2026-07-10T16:40:43.899989Z", "number": "11", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-07-10T16:40:46.458712Z", "number": "12", "summary": "NCSC Score updated." }, { "date": "2026-07-13T05:27:22.090556Z", "number": "13", "summary": "Source connected.| CVE status created. (valid)" }, { "date": "2026-07-13T05:27:26.907087Z", "number": "14", "summary": "NCSC Score updated." } ], "status": "interim", "version": "14" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/evolved", "product": { "name": "vers:unknown/evolved", "product_id": "CSAFPID-1253029", "product_identification_helper": { "cpe": "cpe:/o:juniper:junos:evolved" } } } ], "category": "product_name", "name": "JUNOS" }, { "branches": [ { "category": "product_version_range", "name": "vers:unknown/unknown", "product": { "name": "vers:unknown/unknown", "product_id": "CSAFPID-2669434", "product_identification_helper": { "cpe": "cpe:/h:juniper:ex:-" } } } ], "category": "product_name", "name": "Juniper EX Series" }, { "branches": [ { "category": "product_version_range", "name": "vers:unknown/unknown", "product": { "name": "vers:unknown/unknown", "product_id": "CSAFPID-1341541", "product_identification_helper": { "cpe": "cpe:/o:juniper:junos:-" } } } ], "category": "product_name", "name": "Juniper JUNOS" }, { "branches": [ { "category": "product_version_range", "name": "vers:unknown/unknown", "product": { "name": "vers:unknown/unknown", "product_id": "CSAFPID-2669431", "product_identification_helper": { "cpe": "cpe:/h:juniper:mx:-" } } } ], "category": "product_name", "name": "Juniper MX Series" }, { "branches": [ { "category": "product_version_range", "name": "vers:unknown/unknown", "product": { "name": "vers:unknown/unknown", "product_id": "CSAFPID-6016081", "product_identification_helper": { "cpe": "cpe:/h:juniper:qfx:-" } } } ], "category": "product_name", "name": "Juniper QFX Series" }, { "branches": [ { "category": "product_version_range", "name": "vers:unknown/unknown", "product": { "name": "vers:unknown/unknown", "product_id": "CSAFPID-2162264", "product_identification_helper": { "cpe": "cpe:/h:juniper:srx_service_gateways:-" } } } ], "category": "product_name", "name": "Juniper SRX Series" } ], "category": "vendor", "name": "Juniper" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/23.2r2-s7", "product": { "name": "vers:unknown/23.2r2-s7", "product_id": "CSAFPID-6012899" } }, { "category": "product_version_range", "name": "vers:unknown/23.4r2-s8", "product": { "name": "vers:unknown/23.4r2-s8", "product_id": "CSAFPID-8576167" } }, { "category": "product_version_range", "name": "vers:unknown/23.4|<23.4r2-s8", "product": { "name": "vers:unknown/23.4|<23.4r2-s8", "product_id": "CSAFPID-8596763" } }, { "category": "product_version_range", "name": "vers:unknown/24.2r2-s5", "product": { "name": "vers:unknown/24.2r2-s5", "product_id": "CSAFPID-8576168" } }, { "category": "product_version_range", "name": "vers:unknown/24.2|<24.2r2-s5", "product": { "name": "vers:unknown/24.2|<24.2r2-s5", "product_id": "CSAFPID-8596799" } }, { "category": "product_version_range", "name": "vers:unknown/24.4r2-s4", "product": { "name": "vers:unknown/24.4r2-s4", "product_id": "CSAFPID-8576169" } }, { "category": "product_version_range", "name": "vers:unknown/24.4|<24.4r2-s4", "product": { "name": "vers:unknown/24.4|<24.4r2-s4", "product_id": "CSAFPID-8596800" } }, { "category": "product_version_range", "name": "vers:unknown/25.2r2", "product": { "name": "vers:unknown/25.2r2", "product_id": "CSAFPID-6012736" } }, { "category": "product_version_range", "name": "vers:unknown/25.2|<25.2r2", "product": { "name": "vers:unknown/25.2|<25.2r2", "product_id": "CSAFPID-8596766" } }, { "category": "product_version_range", "name": "vers:unknown/25.4r1-s2", "product": { "name": "vers:unknown/25.4r1-s2", "product_id": "CSAFPID-8576171" } }, { "category": "product_version_range", "name": "vers:unknown/25.4r2", "product": { "name": "vers:unknown/25.4r2", "product_id": "CSAFPID-8576172" } }, { "category": "product_version_range", "name": "vers:unknown/25.4|<25.4r1-s2", "product": { "name": "vers:unknown/25.4|<25.4r1-s2", "product_id": "CSAFPID-8596811" } }, { "category": "product_version_range", "name": "vers:unknown/26.2r1", "product": { "name": "vers:unknown/26.2r1", "product_id": "CSAFPID-8576173" } }, { "category": "product_version_range", "name": "vers:unknown/<23.2r2-s7", "product": { "name": "vers:unknown/<23.2r2-s7", "product_id": "CSAFPID-8596762" } }, { "category": "product_version_range", "name": "vers:unknown/<23.2r2-s7|<23.4r2-s8|<24.2r2-s5|<24.4r2-s4|<25.2r2|<25.4r1-s2", "product": { "name": "vers:unknown/<23.2r2-s7|<23.4r2-s8|<24.2r2-s5|<24.4r2-s4|<25.2r2|<25.4r1-s2", "product_id": "CSAFPID-8576188" } } ], "category": "product_name", "name": "Junos OS" } ], "category": "vendor", "name": "Juniper Networks" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-57026", "cwe": { "id": "CWE-1286", "name": "Improper Validation of Syntactic Correctness of Input" }, "notes": [ { "category": "description", "text": "An Improper Validation of Syntactic Correctness of Input vulnerability in the SIP plugin of Juniper Networks Junos OS on MX Series with SPC3 and SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS). If the SIP ALG is enabled on an affected device, the processing of a malformed SIP invite packet will cause a flow processing daemon (flowd) crash and restart. This leads to a complete service outage until the system has automatically recovered.", "title": "juniper - https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-MX-Series-with-SPC3-SRX-Series-Processing-of-a-specifically-malformed-SIP-invite-causes-a-flowd-crash-CVE-2026-57026" }, { "category": "description", "text": "An Improper Validation of Syntactic Correctness of Input vulnerability in the SIP plugin of Juniper Networks Junos OS on MX Series with SPC3 and SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS).If the SIP ALG is enabled on an affected device, the processing of a malformed SIP invite packet will cause a flow processing daemon (flowd) crash and restart. This leads to a complete service outage until the system has automatically recovered.\n\n\n\nThis issue affects Junos OS on MX Series with SPC3 and SRX Series:\n\n\n * all versions before 23.2R2-S7,\n * 23.4 versions before 23.4R2-S8,\n * 24.2 versions before 24.2R2-S5,\n * 24.4 versions before 24.4R2-S4,\n * 25.2 versions before 25.2R2,\n * 25.4 versions before 25.4R1-S2.", "title": "nvd - https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-57026" }, { "category": "description", "text": "An Improper Validation of Syntactic Correctness of Input vulnerability in the SIP plugin of Juniper Networks Junos OS on MX Series with SPC3 and SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS).If the SIP ALG is enabled on an affected device, the processing of a malformed SIP invite packet will cause a flow processing daemon (flowd) crash and restart. This leads to a complete service outage until the system has automatically recovered.\n\n\n\nThis issue affects Junos OS on MX Series with SPC3 and SRX Series:\n\n\n * all versions before 23.2R2-S7,\n * 23.4 versions before 23.4R2-S8,\n * 24.2 versions before 24.2R2-S5,\n * 24.4 versions before 24.4R2-S4,\n * 25.2 versions before 25.2R2,\n * 25.4 versions before 25.4R1-S2.", "title": "cveprojectv5 - https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/57xxx/CVE-2026-57026.json" }, { "category": "other", "text": "0.00461", "title": "EPSS" }, { "category": "other", "text": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/RE:M", "title": "CVSSV4" }, { "category": "other", "text": "8.7", "title": "CVSSV4 base score" }, { "category": "other", "text": "5.9", "title": "NCSC Score" }, { "category": "other", "text": "Is related to a product by vendor Juniper, There is product data available from source Certbundde, Is related to (a version of) an uncommon product, Is related to an uncommon product source", "title": "NCSC Score top increasing factors" }, { "category": "other", "text": "The CVSS vector string contains AV:N (Attack Vector: Network), There is cwe data available from source Nvd", "title": "NCSC Score top decreasing factors" }, { "category": "details", "text": "Severity: 3\n", "title": "Vendor assessment" } ], "product_status": { "fixed": [ "CSAFPID-6012736", "CSAFPID-6012899", "CSAFPID-8576167", "CSAFPID-8576168", "CSAFPID-8576169", "CSAFPID-8576171", "CSAFPID-8576172", "CSAFPID-8576173" ], "known_affected": [ "CSAFPID-8576188", "CSAFPID-1253029", "CSAFPID-1341541", "CSAFPID-2162264", "CSAFPID-2669431", "CSAFPID-2669434", "CSAFPID-6016081", "CSAFPID-8596762", "CSAFPID-8596763", "CSAFPID-8596766", "CSAFPID-8596799", "CSAFPID-8596800", "CSAFPID-8596811" ] }, "references": [ { "category": "external", "summary": "Source - hkcert", "url": "https://www.hkcert.org/security-bulletin/juniper-junos-os-multiple-vulnerabilities_20260709" }, { "category": "external", "summary": "Source - juniper", "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-MX-Series-with-SPC3-SRX-Series-Processing-of-a-specifically-malformed-SIP-invite-causes-a-flowd-crash-CVE-2026-57026" }, { "category": "external", "summary": "Source - certbundde", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2257.json" }, { "category": "external", "summary": "Source - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-57026" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/57xxx/CVE-2026-57026.json" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Source - ncscclear", "url": "https://advisories.ncsc.nl/advisory?id=NCSC-2026-0224" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2257.json" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2257" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/global-search/%40uri#q=Junos%20OS&sortCriteria=date%20descending&f-sf_articletype=Security%20Advisories&numberOfResults=50" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-Configuration-of-a-specific-SSH-option-results-in-mgd-crash-CVE-2026-21901" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-EX-Series-QFX-Series-MX-Series-A-specific-show-l2-learning-command-causes-l2ald-crash-CVE-2026-57025" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-Receipt-of-a-specific-SNMPv3-request-results-in-memory-leak-and-eventual-snmpd-crash-CVE-2026-33799" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-When-a-specifically-malformed-BGP-route-update-is-received-RPD-crashes-CVE-2026-33801" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-Evolved-A-port-which-has-been-inadvertently-exposed-can-be-reached-by-an-attacker-CVE-2026-33803" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-Evolved-A-port-which-has-been-inadvertently-exposed-can-be-reached-by-an-attacker-CVE-2026-57028" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-Evolved-PTX-Series-Receipt-of-repeated-ECMP-routing-updates-results-in-PFE-crash-CVE-2026-33794" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-Evolved-QFX-Series-When-sFlow-collector-reachability-changes-evo-pfemand-process-can-crash-CVE-2026-57029" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-Evolved-URL-handling-vulnerability-in-libfetch-results-in-heap-buffer-overflow-CVE-2020-7450" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-EX4100-Series-EX4400-With-sFlow-configured-in-a-VC-scenario-multicast-traffic-leads-to-an-FPC-crash-CVE-2026-57027" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-EX-Series-Subscribing-to-an-unsupported-telemetry-sensor-path-causes-fxpc-process-crash-CVE-2026-57032" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-EX-Series-Unauthorized-users-can-execute-service-impacting-CLI-command-CVE-2026-33802" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-MX-Series-For-subscribers-configured-on-static-interfaces-input-filters-are-not-in-effect-CVE-2026-57031" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-MX-Series-In-a-VC-scenario-a-high-rate-of-micro-BFD-session-flaps-will-cause-an-FPC-crash-CVE-2026-33800" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-MX-Series-Specific-traffic-causes-an-FPC-to-reset-CVE-2026-57019" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-MX-Series-Web-filtering-doesn-t-block-specifically-formatted-URLs-CVE-2026-57054" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-MX-Series-with-SPC3-SRX-Series-A-specifically-malformed-TCP-packet-causes-a-flowd-crash-CVE-2026-57023" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-MX-Series-with-SPC3-SRX-Series-Processing-of-a-specifically-malformed-SIP-invite-causes-a-flowd-crash-CVE-2026-57026" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-MX-Series-with-SPC3-SRX-Series-Specific-packet-in-response-to-a-TCP-connection-establishment-by-the-affected-device-can-crash-the-PFE-CVE-2026-57022" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-MX-with-SPC3-SRX-Series-Repeated-VPN-negotiation-failures-will-eventually-cause-iked-to-crash-continuously-CVE-2026-57024" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-QFX10000-Series-IPv6-multicast-traffic-received-on-non-IRB-interfaces-causes-a-multicast-flood-CVE-2026-57020" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-SRX-Series-Flow-sessions-are-not-getting-cleared-leading-to-a-DoS-CVE-2026-57030" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-SRX-Series-If-VPN-compliance-check-is-configured-an-attacker-can-cause-http-gk-process-crash-CVE-2026-57021" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd", "url": "https://supportportal.juniper.net/JSA110086" } ], "remediations": [ { "category": "workaround", "details": "To reduce the risk of exploitation customers not requiring the SIP ALG functionality could explicitly disable it (in case it's by default enabled) by configuring: [security alg sip disable].", "product_ids": [ "CSAFPID-8576188" ] } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH" }, "products": [ "CSAFPID-1253029", "CSAFPID-1341541", "CSAFPID-2162264", "CSAFPID-2669431", "CSAFPID-2669434", "CSAFPID-6016081", "CSAFPID-8576188", "CSAFPID-8596762", "CSAFPID-8596763", "CSAFPID-8596766", "CSAFPID-8596799", "CSAFPID-8596800", "CSAFPID-8596811" ] } ], "title": "CVE-2026-57026" } ] }