CVE-2026-102078

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This is a race condition outside the attacker's direct control.<br><p><br>This issue affects Junos OS on SRX Series:<br></p><ul><li>All versions before 23.2R2-S5;</li><li>from 23.4 before 23.4R2-S6;</li><li>from 24.2 before 24.2R2-S3;</li><li>from 24.4 before 24.4R2-S1;</li><li>from 25.2 before 25.2R1-S1, 25.2R2.</li></ul><br><p></p>"}], "value": "A Use After Free vulnerability in the packet forwarding engine (pfe) of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS).\n\n\n\nWhen web filtering for TCP traffic is configured, a high volume of DNS requests increases the likelihood of a flowd crash and restart, which leads to a complete service outage until the service has automatically recovered. 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This is a race condition outside the attacker's direct control.\n\nThis issue affects Junos OS on SRX Series:\n\n\n * All versions before 23.2R2-S5;\n * from 23.4 before 23.4R2-S6;\n * from 24.2 before 24.2R2-S3;\n * from 24.4 before 24.4R2-S1;\n * from 25.2 before 25.2R1-S1, 25.2R2.", "supportingMedia": [{"type": "text/html", "value": "<span style=\"background-color: rgb(255, 255, 255);\">A Use After Free vulnerability in the packet forwarding engine (pfe) of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS).</span><br>\n\n<br>When web filtering for TCP traffic is configured, a high volume of DNS requests increases the likelihood of a flowd crash and restart, which leads to a complete service outage until the service has automatically recovered. This is a race condition outside the attacker's direct control.<br><p><br>This issue affects Junos OS on SRX Series:<br></p><ul><li>All versions before 23.2R2-S5;</li><li>from 23.4 before 23.4R2-S6;</li><li>from 24.2 before 24.2R2-S3;</li><li>from 24.4 before 24.4R2-S1;</li><li>from 25.2 before 25.2R1-S1, 25.2R2.</li></ul><br><p></p>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-416", "description": "CWE-416 Use After Free"}]}], "providerMetadata": {"orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "shortName": "juniper", "dateUpdated": "2026-10-14T16:27:24.894Z"}}}, "cveMetadata": {"cveId": "CVE-2026-102078", "state": "PUBLISHED", "dateUpdated": "2026-10-14T20:26:05.668Z", "dateReserved": "2026-09-28T17:37:38.548Z", "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "datePublished": "2026-10-14T16:27:24.894Z", "assignerShortName": "juniper"}, "dataVersion": "5.2"}

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