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CVE-2026-102077 Junos OS: MX Series with SPC3: In a source NAT scenario malformed packets will lead to resource leaks and eventually traffic stops

🗓️ 14 Oct 2026 17:14:01Reported by juniperType 
cvelist
 cvelist
🔗 www.cve.org👁 36 Views

Unauthenticated network-based DoS in Junos OS on MX Series with SPC3 via malformed IPv6.

Related
Affected
Refs
[
  {
    "defaultStatus": "unaffected",
    "platforms": [
      "MX Series with SPC3"
    ],
    "product": "Junos OS",
    "vendor": "Juniper Networks",
    "versions": [
      {
        "lessThan": "23.2R2-S4",
        "status": "affected",
        "version": "0",
        "versionType": "custom"
      },
      {
        "lessThan": "23.4R2-S5",
        "status": "affected",
        "version": "23.4",
        "versionType": "custom"
      },
      {
        "lessThan": "24.2R2",
        "status": "affected",
        "version": "24.2",
        "versionType": "custom"
      }
    ]
  }
]

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14 Oct 2026 17:14Current
CVSS 3.17.5
CVSS 48.7
EPSS0.00339
SSVC
36