CVE-2026-102047

An Improper Validation of Consistency within Input vulnerability in the l2cpd process of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent unauthenticated Layer 2 attacker to cause a denial of service in associated Layer 2 control protocols via a crafted MVRP Ethernet frame sent t...

CVE-2026-102048

An Allocation of Resources Without Limits or Throttling vulnerability in the l2cpd process of Juniper Networks Junos OS allows an adjacent unauthenticated attacker to cause a denial of service and l2cpd restart via FNP-enabled Layer 2 interfaces. The issue is triggered when the FNP feature is...

CVE-2026-102051

An Improper Release of Memory Before Removing Last Reference vulnerability in the l2cpd process of Juniper Networks Junos OS and Junos OS Evolved platforms allows an adjacent unauthenticated attacker to cause l2cpd memory exhaustion and Layer 2 control-plane disruption via LLDP traffic when fast...

CVE-2026-102051

The l2cpd process in Juniper Networks Junos OS and Junos OS Evolved platforms is vulnerable to an Improper Release of Memory Before Removing Last Reference (CWE-401). An adjacent unauthenticated attacker can trigger l2cpd memory exhaustion and Layer 2 control-plane disruption by sending LLDP traf...

EUVD-2026-101375

An Improper Release of Memory Before Removing Last Reference vulnerability in the l2cpd process of Juniper Networks Junos OS and Junos OS Evolved platforms allows an adjacent unauthenticated attacker to cause l2cpd memory exhaustion and Layer 2 control-plane disruption via LLDP traffic when fast...

CVE-2026-102051 Junos OS and Junos OS Evolved: An attacker causes l2cpd memory exhaustion when LLDP fast receive processing is enabled

An Improper Release of Memory Before Removing Last Reference vulnerability in the l2cpd process of Juniper Networks Junos OS and Junos OS Evolved platforms allows an adjacent unauthenticated attacker to cause l2cpd memory exhaustion and Layer 2 control-plane disruption via LLDP traffic when fast...

CVE-2026-102050

A Stack-based Buffer Overflow vulnerability exists in the l2cpd daemon of Juniper Networks Junos OS and Junos OS Evolved . An unauthenticated adjacent attacker can cause a denial of service in Layer 2 control-plane processing by sending malicious LLDP packets to an interface configured for LLDP. ...

EUVD-2026-101374

A Stack-based Buffer Overflow vulnerability in the l2cpd daemon of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated adjacent attacker to cause a denial of service in Layer 2 control-plane processing via LLDP packets received on an interface configured for LLDP. Repeated...

CVE-2026-102049

A Stack-based Buffer Overflow vulnerability exists in the l2cpd process of Juniper Networks Junos OS and Junos OS Evolved . An adjacent unauthenticated attacker can exploit this by sending LLDP traffic to an interface where Unified Access Policy is enabled. Successful exploitation can lead to a d...

EUVD-2026-101373

A Stack-based Buffer Overflow vulnerability in the l2cpd process of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent unauthenticated attacker to cause a denial of service or execute arbitrary code with root privileges via LLDP traffic received on an interface with Unified Access...

CVE-2026-102048

A vulnerability exists in the l2cpd process of Juniper Networks Junos OS due to an Allocation of Resources Without Limits or Throttling (CWE-770). An adjacent unauthenticated attacker can trigger a denial of service and l2cpd restart by exploiting FNP-enabled Layer 2 interfaces . The issue is spe...

EUVD-2026-101372

An Allocation of Resources Without Limits or Throttling vulnerability in the l2cpd process of Juniper Networks Junos OS allows an adjacent unauthenticated attacker to cause a denial of service and l2cpd restart via FNP-enabled Layer 2 interfaces. The issue is triggered when the FNP feature is...

CVE-2026-102048 Junos OS: An attacker causes l2cpd crash when FNP is used with VLAN-VPLS encapsulation enabled

An Allocation of Resources Without Limits or Throttling vulnerability in the l2cpd process of Juniper Networks Junos OS allows an adjacent unauthenticated attacker to cause a denial of service and l2cpd restart via FNP-enabled Layer 2 interfaces. The issue is triggered when the FNP feature is...

CVE-2026-102047

Juniper Networks Junos OS and Junos OS Evolved are affected by an Improper Validation of Consistency within Input vulnerability in the l2cpd process. An adjacent unauthenticated Layer 2 attacker can cause a denial of service in associated Layer 2 control protocols by sending a crafted MVRP Ethern...

EUVD-2026-101371

An Improper Validation of Consistency within Input vulnerability in the l2cpd process of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent unauthenticated Layer 2 attacker to cause a denial of service in associated Layer 2 control protocols via a crafted MVRP Ethernet frame sent t...

CVE-2026-102047 Junos OS and Junos OS Evolved: An attacker causes l2cpd denial of service when MVRP is used

An Improper Validation of Consistency within Input vulnerability in the l2cpd process of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent unauthenticated Layer 2 attacker to cause a denial of service in associated Layer 2 control protocols via a crafted MVRP Ethernet frame sent t...

CVE-2026-21911: Incorrect Calculation

An Incorrect Calculation vulnerability in the Layer 2 Control Protocol Daemon l2cpd of Juniper Networks Junos OS Evolved allows an unauthenticated network-adjacent attacker flapping the management interface to cause the learning of new MACs over label-switched interfaces LSI to stop while...

EUVD-2024-28301

Malicious code in bioql PyPI...

EUVD-2025-10525

Malicious code in bioql PyPI...

CVE-2025-30646

A Signed to Unsigned Conversion Error vulnerability in the Layer 2 Control Protocol daemon l2cpd of Juniper Networks Junos OS and Juniper Networks Junos OS Evolved allows an unauthenticated adjacent attacker sending a specifically malformed LLDP TLV to cause the l2cpd process to crash and restart...