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Juniper JunosJunos OS: EX Series, QFX Series: In a VXLAN scenario when specific control protocol packets are received, memory leaks and eventually no traffic is passed

Risk 40
Severity
7.1
First published (updated )
CVE-2026-33781

Juniper JunosJunos OS: EX Series, QFX Series: If the same egress filter is configured on both an IRB and a physical interface one of those is not applied

Risk 33
Severity
6.9
First published (updated )
CVE-2026-33773

Juniper Junos OS EvolvedJunos OS Evolved: QFX5000 Series and PTX Series: An attacker sending crafted multicast packets will cause evo-aftmand / evo-pfemand to crash and restart

Risk 40
Severity
7.1
First published (updated )
CVE-2025-59969

Juniper JunosJunos OS: EX4k Series, QFX5k Series: In an EVPN-VXLAN configuration link flaps cause Inter-VNI traffic drop

Risk 29
Severity
7.1
EPSS
0.02%
First published (updated )
CVE-2026-21910

Juniper JunosJunos OS: EX4600 Series and QFX5000 Series: An attacker with physical access can open a persistent backdoor

Risk 65
Severity
7
First published (updated )
CVE-2025-59957
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Juniper JunosJunos OS: EX2300, EX3400, EX4000 Series, QFX5k Series: Receipt of a specific DHCP packet causes FPC crash when DHCP Option 82 is enabled

Risk 72
Severity
7.7
First published (updated )
CVE-2025-30644

Juniper Junos OS EvolvedJunos OS Evolved: QFX5000 Series: Configured MAC learning and move limits are not in effect

Risk 49
Severity
7.1
First published (updated )
CVE-2024-47498

Juniper JunosJunos OS: SRX Series, QFX Series, MX Series and EX Series: Receiving specific HTTPS traffic causes resource exhaustion

Risk 47
Severity
8.7
First published (updated )
CVE-2024-47497

Juniper JunosJunos OS: QFX5000 Series and EX4600 Series: Output firewall filter is not applied if certain match criteria are used

Risk 33
Severity
6.9
First published (updated )
CVE-2024-39533

Juniper JunosJunos OS: QFX5000 Series and EX Series: Specific malformed LACP packets will cause flaps

Risk 29
Severity
7.1
EPSS
0.04%
First published (updated )
CVE-2024-30388
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Juniper JunosJunos OS: EX4100, EX4400, EX4600, QFX5000 Series: A high rate of specific ICMP traffic will cause the PFE to hang

Risk 31
Severity
7.5
EPSS
0.05%
First published (updated )
CVE-2024-21595

Juniper JunosJunos OS: QFX5000 Series, EX2300, EX3400, EX4100, EX4400 and EX4600: Packet flooding will occur when IGMP traffic is sent to an isolated VLAN

Risk 38
Severity
6.5
First published (updated )
CVE-2023-44203

Juniper JunosJunos OS: QFX5000 Series: DMA memory leak is observed when specific DHCP packets are transmitted over pseudo-VTEP

Risk 43
Severity
7.5
First published (updated )
CVE-2023-44192

Juniper JunosJunos OS: QFX5000 Series and EX4000 Series: Denial of Service (DoS) on a large scale VLAN due to PFE hogging

Risk 43
Severity
7.5
First published (updated )
CVE-2023-44191

Juniper JunosJunos OS: QFX5000 Series, EX4600 Series: In a VxLAN scenario an adjacent attacker within the VxLAN sending genuine packets may cause a DMA memory leak to occur.

Risk 38
Severity
6.5
First published (updated )
CVE-2023-44183
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Juniper JunosJunos OS: QFX5k: l2 loop in the overlay impacts the stability in a EVPN/VXLAN environment

Risk 43
Severity
7.5
First published (updated )
CVE-2023-44181

Juniper JunosJunos OS: QFX Series: The PFE may crash when a lot of MAC addresses are being learned and aged

Risk 32
Severity
5.3
First published (updated )
CVE-2023-28984

Juniper JunosJunos OS: QFX5k Series, EX46xx Series: MAC limiting feature stops working after PFE restart or device reboot

Risk 38
Severity
6.5
First published (updated )
CVE-2023-22405

Juniper JunosJunos OS: EX4300-MP, EX4600, QFX5000 Series: In VxLAN scenarios specific packets processed cause a memory leak leading to a PFE crash

Risk 38
Severity
6.5
First published (updated )
CVE-2022-22226

Juniper JunosJunos OS: QFX5000 Series and MX Series: An l2alm crash leading to an FPC crash can be observed in VxLAN scenario

Risk 38
Severity
6.5
First published (updated )
CVE-2022-22210
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Juniper JunosJunos OS: EX4600 Series and QFX5000 Series: Receipt of specific traffic will lead to an fxpc process crash followed by an FPC reboot

Risk 38
Severity
6.5
First published (updated )
CVE-2022-22203

Juniper JunosJunos OS: QFX5100/QFX5110/QFX5120/QFX5200/QFX5210/EX4600/EX4650 Series: When storm control profiling is enabled and a device is under an active storm, a Heap-based Buffer Overflow in the PFE will cause a device to hang.

Risk 43
Severity
7.5
First published (updated )
CVE-2022-22188

Juniper JunosJunos OS: QFX5000 Series, EX4600: Device may run out of memory, causing traffic loss, upon receipt of specific IPv6 packets

Risk 43
Severity
7.5
First published (updated )
CVE-2022-22174

Juniper JunosJunos OS: QFX5000 Series: Traffic from the network internal to the device (128.0.0.0) may be forwarded to egress interfaces.

Risk 27
Severity
5.3
First published (updated )
CVE-2021-31371

Juniper JunosJunos OS: QFX5000 Series and EX4600 Series: Control traffic might be dropped if a high rate of specific multicast traffic is received

Risk 38
Severity
6.5
First published (updated )
CVE-2021-31370
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Juniper JunosJunos OS: QFX Series and PTX Series: FPC resource usage increases when certain packets are processed which are being VXLAN encapsulated

Risk 27
Severity
5.3
First published (updated )
CVE-2021-31361

Juniper JunosJunos OS: QFX5000 Series and EX4600 Series: Enhanced storm control might not work leading to partial Denial of Service

Risk 27
Severity
5.3
First published (updated )
CVE-2021-0294

Juniper JunosJunos OS: User-defined ARP Policer isn't applied on Aggregated Ethernet (AE) interface until firewall process is restarted

Risk 38
Severity
6.5
First published (updated )
CVE-2021-0289

Juniper JunosJunos OS: QFX5000 Series and EX4600 Series: Continuous traffic destined to a device configured with MC-LAG leading to nodes losing their control connection which can impact traffic

Risk 43
Severity
7.5
First published (updated )
CVE-2021-0285

Juniper JunosJunos OS and Junos OS Evolved: QFX5K Series: Underlay network traffic might not be processed upon receipt of high rate of specific genuine overlay packets in VXLAN scenario

Risk 43
Severity
7.4
First published (updated )
CVE-2021-0259
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