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Junos OS and Junos OS Evolved: Malformed ICCP packets cause l2ald memory disclosure and disruption

Type: advisorySource: Official CVE List1 source record

An Improper Validation of Specified Quantity in Input vulnerability in the l2ald of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent attacker with access to an ICCP peer session to cause memory disclosure and disruption of the l2ald daemon via malformed ICCP packets.

Announced Source revision 1
Original source ↗

CVE-2026-101995

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-2026-101995

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-2026-101995

Source reference: /cveMetadata/cveId

Publisher severity

medium

Source reference: /containers/cna/metrics

Event
#23212 · Revision 1
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Publisher date
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