CVE-2026-102178

A Stack-based Buffer Overflow vulnerability in the BGP routing daemon of Juniper Networks Junos OS and Junos OS Evolved allows a configured BGP flowspec peer to cause routing-engine compromise or a routing-daemon denial of service via flowspec route re-advertisement when BGP update-threading is enabled.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

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

Configurations

No configuration.

History

14 Oct 2026, 17:18

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-14 17:18

Updated : 2026-10-16 17:17

NVD link : CVE-2026-102178

Mitre link : CVE-2026-102178

CVE.ORG link : CVE-2026-102178

JSON object : View

Products Affected

No product.

CWE

CWE-121

Stack-based Buffer Overflow

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