{
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              "content": {
                "id": "CVE-2025-59964",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-10-09T18:59:53.970460Z",
                "version": "2.0.3"
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              "type": "ssvc"
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          "dateUpdated": "2025-10-09T19:00:04.954Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "platforms": [
            "SRX4700"
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          "product": "Junos OS",
          "vendor": "Juniper Networks",
          "versions": [
            {
              "lessThan": "24.4R1-S3, 24.4R2",
              "status": "affected",
              "version": "24.4",
              "versionType": "semver"
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              "value": "\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eBelow is the configuration to check if sampling is enabled. \u003cbr\u003e\u003cbr\u003e\u003c/span\u003e\u003ctt\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e\u0026nbsp; [ forwarding-options sampling ]\u003c/span\u003e\u003c/tt\u003e\u003cbr\u003e"
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          "value": "Below is the configuration to check if sampling is enabled. \n\n\u00a0 [ forwarding-options sampling ]"
        }
      ],
      "datePublic": "2025-10-08T16:00:00.000Z",
      "descriptions": [
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              "value": "\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eA Use of Uninitialized Resource vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on SRX4700\u0026nbsp;\u003cspan style=\"background-color: rgb(251, 251, 251);\"\u003edevices allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS).\u003c/span\u003e\u003c/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eWhen forwarding-options sampling\u0026nbsp;\u003c/span\u003eis enabled, receipt\u0026nbsp;of any traffic destined to the Routing Engine (RE) by the PFE line card\u0026nbsp;\u003cspan style=\"background-color: rgb(251, 251, 251);\"\u003eleads to an FPC crash and restart, resulting in a Denial of Service (DoS). \u003cbr\u003e\u003cbr\u003eContinued receipt and processing of any traffic leading to the RE by the PFE line card will create a sustained Denial of Service (DoS) condition to the PFE line card.\u003cspan style=\"background-color: rgb(251, 251, 251);\"\u003e\u003cbr\u003e\u003c/span\u003e\u003cp\u003e\u003c/p\u003e\u003c/span\u003e\u003cp\u003eThis issue affects\u0026nbsp;Junos OS on SRX4700:\u0026nbsp;\u003c/p\u003e\u003cp\u003e\u003c/p\u003e\u003cul\u003e\u003cli\u003efrom 24.4 before 24.4R1-S3, 24.4R2\u003c/li\u003e\u003c/ul\u003eThis issue affects IPv4 and IPv6.\u003cbr\u003e\u003cp\u003e\u003c/p\u003e"
            }
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          "value": "A Use of Uninitialized Resource vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on SRX4700\u00a0devices allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS).\n\nWhen forwarding-options sampling\u00a0is enabled, receipt\u00a0of any traffic destined to the Routing Engine (RE) by the PFE line card\u00a0leads to an FPC crash and restart, resulting in a Denial of Service (DoS). \n\nContinued receipt and processing of any traffic leading to the RE by the PFE line card will create a sustained Denial of Service (DoS) condition to the PFE line card.\n\n\nThis issue affects\u00a0Junos OS on SRX4700:\u00a0\n\n\n\n  *  from 24.4 before 24.4R1-S3, 24.4R2\n\n\nThis issue affects IPv4 and IPv6."
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              "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."
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          ],
          "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."
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            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
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            "confidentialityImpact": "NONE",
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            "attackRequirements": "NONE",
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            "privilegesRequired": "NONE",
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      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-908",
              "description": "CWE-908: Use of Uninitialized Resource",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-10-09T15:46:25.285Z",
        "orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
        "shortName": "juniper"
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      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://supportportal.juniper.net/JSA103153"
        },
        {
          "tags": [
            "technical-description"
          ],
          "url": "https://www.juniper.net/documentation/us/en/software/junos/cli-reference/topics/ref/statement/sampling-edit-forwarding-options.html"
        }
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              "value": "The following software releases have been updated to resolve this specific issue: \u003cbr\u003e\u003cbr\u003eJunos OS: 24.4R1-S3, 24.4R2,\u0026nbsp;\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e25.2R1 and all subsequent releases.\u003c/span\u003e\u003cbr\u003e"
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          ],
          "value": "The following software releases have been updated to resolve this specific issue: \n\nJunos OS: 24.4R1-S3, 24.4R2,\u00a025.2R1 and all subsequent releases."
        }
      ],
      "source": {
        "advisory": "JSA103153",
        "defect": [
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        ],
        "discovery": "USER"
      },
      "title": "Junos OS: SRX4700: When forwarding-options sampling is enabled any traffic destined to the RE will cause the forwarding line card to crash and restart",
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              "value": "To workaround this issue an administrator must block all traffic from the PFE line card to the Routing Engine (RE) until a fix can be taken.\u003cbr\u003eEven while under a persistent DoS attack the RE will continue to be accessible to administrators through non-PFE line card interfaces E.g. Console, FXP0.\u003cbr\u003e"
            }
          ],
          "value": "To workaround this issue an administrator must block all traffic from the PFE line card to the Routing Engine (RE) until a fix can be taken.\nEven while under a persistent DoS attack the RE will continue to be accessible to administrators through non-PFE line card interfaces E.g. Console, FXP0."
        }
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    "assignerShortName": "juniper",
    "cveId": "CVE-2025-59964",
    "datePublished": "2025-10-09T15:46:25.285Z",
    "dateReserved": "2025-09-23T18:19:06.955Z",
    "dateUpdated": "2025-10-09T19:00:04.954Z",
    "state": "PUBLISHED"
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