CVE-2026-101976

An Out-of-bounds Write vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an eBGP peer which has not negotiated four-octet-AS capability sending a specifically malformed BGP update to cause a Denial-of-Service (DoS).

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector 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

14 Oct 2026, 18:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-14 18:17

Updated : 2026-10-15 16:23

NVD link : CVE-2026-101976

Mitre link : CVE-2026-101976

CVE.ORG link : CVE-2026-101976

JSON object : View

Products Affected

No product.

CWE

CWE-787

Out-of-bounds Write

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