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Medium · 6.5 CVE-2026-102045 EUVD-2026-101369GHSA-q5wg-vxc8-v2rp

Junos OS Evolved: An crafted LACP frame causes lacpd to crash when LACP is enabled

Published Oct 14, 2026 · Updated Oct 14, 2026 · Assigned by juniper

Description

An Out-of-bounds Write Out-of-bounds Write vulnerability in lacpd of Juniper Networks Junos OS Evolved allows a Layer-2-adjacent attacker to cause a denial of service via a crafted frame received on an LACP-enabled aggregated-Ethernet member port.

Affected products

VendorProductAffectedFixed
Juniper Networks Junos OS Evolved 24.4 – < 24.4R2-S5-EVO, 25.2 – < 25.2R2-S2-EVO, 25.4 – < 25.4R1-S3-EVO, 26.2 – < 26.2R1-S2-EVO, 25.2X100 – < 25.2X100-D35-EVO, 25.4X300 – < 25.4X300-D40-EVO 24.4R2-S5-EVO

References