{
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          "defaultStatus": "unaffected",
          "product": "Session Smart Router",
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              "version": "0",
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              "version": "7.2.0",
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      "datePublic": "2026-10-28T16:00:00.000Z",
      "descriptions": [
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          "lang": "en",
          "supportingMedia": [
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              "value": "An Out-of-bounds Write vulnerability in the SSR TCP proxy/optimization path in Juniper Networks Session Smart Router allows an attacker to corrupt forwarded packet data and potentially cause a data-plane crash via a transit TCP packet with a crafted TCP option length."
            }
          ],
          "value": "An Out-of-bounds Write vulnerability in the SSR TCP proxy/optimization path in Juniper Networks Session Smart Router allows an attacker to corrupt forwarded packet data and potentially cause a data-plane crash via a transit TCP packet with a crafted TCP option length."
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              "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."
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      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-787",
              "description": "CWE-787 Out-of-bounds Write",
              "lang": "en",
              "type": "CWE"
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          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-28T16:33:32.354Z",
        "orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
        "shortName": "juniper"
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      "references": [
        {
          "tags": [
            "vendor-advisory"
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          "url": "https://supportportal.juniper.net/JSA112183"
        }
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          "value": "The following software releases of Session Smart Router have been updated to resolve these specific issues:\n  *  7.0.5 \n\nand all subsequent releases;\n  *  7.1.7 \n\nand all subsequent releases;\n  *  7.2.3 and all subsequent releases."
        }
      ],
      "source": {
        "advisory": "JSA112183",
        "defect": [
          "I95-65237"
        ],
        "discovery": "INTERNAL"
      },
      "title": "Session Smart Router: An attacker-controlled TCP option causes an out-of-bounds write when using the TCP proxy feature",
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    "assignerShortName": "juniper",
    "cveId": "CVE-2026-103391",
    "datePublished": "2026-10-28T16:33:32.354Z",
    "dateReserved": "2026-09-30T14:27:56.628Z",
    "dateUpdated": "2026-10-28T16:33:32.354Z",
    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}