CVE-2026-101990

CriticalCVSS 9.8/10Last modified Oct 30, 2026

Description

A Stack-based Buffer Overflow vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a remote configured BGP peer to cause an rpd crash, or on Junos OS remote code-execution, via sending a flow-spec update which is selected for re-advertisement.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-121

Affected software

No affected versions have been published.

Timeline

Published
Oct 14, 2026
Last modified
Oct 30, 2026
NVD status
Analyzed

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CVE-2026-101990: Critical severity, CVSS 9.8 | Vulnix