CVE-2026-101987

An Improper Validation of Specified Quantity in Input vulnerability in the routing daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent attacker to cause a denial of service by sending a specific IS-IS SRv6 packet when SRv6 and Flexible Algorithm are enabled.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

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

Configurations

No configuration.

History

29 Oct 2026, 21:17

Type	Values Removed	Values Added
CWE		CWE-1284

14 Oct 2026, 17:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-14 17:17

Updated : 2026-10-29 21:17

NVD link : CVE-2026-101987

Mitre link : CVE-2026-101987

CVE.ORG link : CVE-2026-101987

JSON object : View

Products Affected

No product.

CWE

CWE-1284

Improper Validation of Specified Quantity in Input

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"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"}]}], "published": "2026-10-14T17:17:51.110", "references": [{"url": "https://supportportal.juniper.net/JSA112187", "source": "sirt@juniper.net"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-1284"}]}], "descriptions": [{"lang": "en", "value": "An\u00a0Improper Validation of Specified Quantity in Input vulnerability in the routing daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent attacker to cause a denial of service by sending a specific IS-IS SRv6 packet when SRv6 and Flexible Algorithm are enabled."}], "lastModified": "2026-10-29T21:17:07.260", "sourceIdentifier": "sirt@juniper.net"}