CVE-2026-33780

A Missing Release of Memory after Effective Lifetime vulnerability in the Layer 2 Address Learning Daemon l2ald of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent, unauthenticated attacker to cause a memory leak ultimately leading to a Denial of Service DoS. In an EVPN-MPLS...

EUVD-2026-21090

A Missing Release of Memory after Effective Lifetime vulnerability in the Layer 2 Address Learning Daemon l2ald of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent, unauthenticated attacker to cause a memory leak ultimately leading to a Denial of Service DoS. In an EVPN-MPLS...

CVE-2026-33780

A Missing Release of Memory after Effective Lifetime vulnerability in the Layer 2 Address Learning Daemon l2ald of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent, unauthenticated attacker to cause a memory leak ultimately leading to a Denial of Service DoS. In an EVPN-MPLS...

Juniper Junos OS Evolved security vulnerabilities

Juniper Junos OS Evolved is a network operating system developed by the Juniper company. Vulnerabilities exist in versions of Juniper Junos OS Evolved prior to 21.4R3-S7-EVO, 22.2R3-S4-EVO, 22.3R3-S3-EVO, 22.4R3-S2-EVO, 23.2R2-S1-EVO, 23.4R1-S2-EVO, and 23.4R2-EVO. These vulnerabilities stem from...

Juniper Networks Layer 2 Address Learning Daemon DoS

The vulnerability of the Layer 2 Address Learning Daemon L2ALD in Juniper Networks’ Junos OS and Junos OS Evolved operating systems is related to the use of memory after it is freed. Exploiting this vulnerability allows a remote attacker to cause service interruptions...

CVE-2024-30402

An Improper Check for Unusual or Exceptional Conditions vulnerability in the Layer 2 Address Learning Daemon l2ald of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause a Denial of Service DoS. When telemetry requests are sent to the device, and t...

Juniper Networks Junos OS and Junos OS Evolved buffer error vulnerabilities

Juniper Networks Junos OS and Junos OS Evolved are both products of Juniper Networks, Inc.Juniper Networks Junos OS is a network operating system for the company's hardware devices. Juniper Networks Junos OS is a network operating system for the company's hardware devices that provides a secure...