CVE-2026-101994

An Improper Handling of Length Parameter Inconsistency vulnerability in the l2ald daemon of Juniper Networks Junos OS and Junos OS Evolved allows an attacker who can control or impersonate a configured MC-LAG ICCP peer to disclose process heap memory or cause a denial of service via a malformed ICCP message.

CVSS v3 7.1 HIGH

7.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 4.2

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://supportportal.juniper.net/JSA112187

Configurations

No configuration.

History

14 Oct 2026, 17:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-14 17:17

Updated : 2026-10-16 16:16

NVD link : CVE-2026-101994

Mitre link : CVE-2026-101994

CVE.ORG link : CVE-2026-101994

JSON object : View

Products Affected

No product.

CWE

CWE-130

Improper Handling of Length Parameter Inconsistency

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"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"}]}], "published": "2026-10-14T17:17:52.233", "references": [{"url": "https://supportportal.juniper.net/JSA112187", "source": "sirt@juniper.net"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "sirt@juniper.net", "description": [{"lang": "en", "value": "CWE-130"}]}], "descriptions": [{"lang": "en", "value": "An Improper Handling of Length Parameter Inconsistency vulnerability in the \n\nl2ald \n\ndaemon of Juniper Networks Junos OS and Junos OS Evolved allows an attacker who can control or impersonate a configured MC-LAG ICCP peer to disclose process heap memory or cause a denial of service via a malformed ICCP message."}], "lastModified": "2026-10-16T16:16:50.270", "sourceIdentifier": "sirt@juniper.net"}