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.
CVE-2026-101987
CVSS base score
6.5 (v3.1)
Severity
MEDIUM
Attack vector
Adjacent_network
Weakness
CWE-1284
Last modified
October 29, 2026
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H