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Junos OS and Junos OS Evolved: If in a BGP EVPN scenario a malformed NLRI is received rpd crashes

Type: advisorySource: Official CVE List1 source record

An Improper Validation of Specified Quantity in Input vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a configured BGP EVPN peer to cause an rpd crash via a specifically malformed NLRI.

Announced Source revision 1
Original source ↗

CVE-2026-102183

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-102183

Junos OS

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Junos OS Evolved

Source reference: /containers/cna/affected/1/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "vendor": "Juniper Networks",
    "product": "Junos OS",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "23.2R2-S7.7",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "23.4",
        "lessThan": "23.4R2-S8.13",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "24.2",
        "lessThan": "24.2R2-S5.5",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "24.4",
        "lessThan": "24.4R2-S5",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "25.2",
        "lessThan": "25.2R2-S2",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "25.4",
        "lessThan": "25.4R1-S3",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "26.2",
        "lessThan": "26.2R1-S2",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "Juniper Networks",
    "product": "Junos OS Evolved",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "23.2R2-S7.7-EVO",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "23.4",
        "lessThan": "23.4R2-S8.11-EVO",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "24.2",
        "lessThan": "24.2R2-S5.6-EVO",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "24.4",
        "lessThan": "24.4R2-S5-EVO",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "25.2",
        "lessThan": "25.2R2-S2-EVO",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "25.4",
        "lessThan": "25.4R1-S3-EVO",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "26.2",
        "lessThan": "26.2R1-S2-EVO",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "23.4X100",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "25.2X100",
        "lessThan": "25.2X100-D35-EVO",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "25.4X300",
        "lessThan": "25.4X300-D40-EVO",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  }
]
Related CVEs
CVE-2026-102183

Source reference: /cveMetadata/cveId

Publisher severity

high

Source reference: /containers/cna/metrics

Event
#23021 · Revision 1
Added to Heist Feed
Publisher date
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