Critical severity9.8NVD Advisory· Published Oct 14, 2026

CVE-2026-101990

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.

Affected products

Juniper Networks/Junos OSllm-fuzzy
Juniper Networks/Junos OS Evolvedllm-fuzzy

Patches

Vulnerability mechanics

References

supportportal.juniper.net/JSA112187nvd

News mentions

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