CVE-2026-57020 | Juniper Junos OS up to 23.2R2-S6/23.4R2-S7/24.2R2-S3/24.4R2-S3 Packet Forwarding Engine infinite loop

A vulnerability was found in Juniper Junos OS up to 23.2R2-S6/23.4R2-S7/24.2R2-S3/24.4R2-S3 and classified as critical. Affected is an unknown function of the component Packet Forwarding Engine. Executing a manipulation can lead to infinite loop.

This vulnerability is tracked as CVE-2026-57020. The attack can be launched remotely. No exploit exists.