CVE-2026-33781 Junos OS: EX Series, QFX Series: In a VXLAN scenario when specific control protocol packets are received, memory leaks and eventually no traffic is passed

An Improper Check for Unusual or Exceptional Conditions vulnerability in the packet forwarding engine pfe of Juniper Networks Junos OS on specific EX and QFX Series devices allow an unauthenticated, adjacent attacker to cause a complete Denial of Service DoS. On EX4k, and QFX5k platforms configur...

CVE-2026-21906

An Improper Handling of Exceptional Conditions vulnerability in the packet forwarding engine PFE of Juniper Networks Junos OS on SRX Series allows an unauthenticated network-based attacker sending a specific ICMP packet through a GRE tunnel to cause the PFE to crash and restart. When PowerMode...

CVE-2026-21906

An Improper Handling of Exceptional Conditions vulnerability in the packet forwarding engine PFE of Juniper Networks Junos OS on SRX Series allows an unauthenticated network-based attacker sending a specific ICMP packet through a GRE tunnel to cause the PFE to crash and restart. When PowerMode...

CVE-2026-21906 Junos OS: SRX Series: With GRE performance acceleration enabled, receipt of a specific ICMP packet causes the PFE to crash

An Improper Handling of Exceptional Conditions vulnerability in the packet forwarding engine PFE of Juniper Networks Junos OS on SRX Series allows an unauthenticated network-based attacker sending a specific ICMP packet through a GRE tunnel to cause the PFE to crash and restart. When PowerMode...

CVE-2026-21906

CVE-2026-21906 overview (Junos OS SRX Series) A vulnerability in the packet forwarding engine (PFE) of Juniper Networks Junos OS on SRX Series can be triggered by a specific ICMP packet routed through a GRE tunnel when PowerMode IPsec (PMI) and GRE performance acceleration are enabled. An unauthe...

EUVD-2020-7871

Malware in sbrugna...

EUVD-2023-24423

Malicious code in bioql PyPI...

CVE-2023-20244

A vulnerability in the internal packet processing of Cisco Firepower Threat Defense FTD Software for Cisco Firepower 2100 Series Firewalls could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to improper handli...

CVE-2024-39551

Summary: CVE-2024-39551 is an Uncontrolled Resource Consumption vulnerability in the H.323 ALG of Juniper Networks Junos OS on SRX Series and MX Series with SPC3 and MS-MPC/MIC. An unauthenticated network attacker can send specific packets to trigger traffic loss/DoS. Continued receipt sustains t...

CVE-2024-30388

An Improper Isolation or Compartmentalization vulnerability in the Packet Forwarding Engine pfe of Juniper Networks Junos OS on QFX5000 Series and EX Series allows an unauthenticated, adjacent attacker to cause a Denial of Service DoS. If a specific malformed LACP packet is received by a QFX5000...

Design/Logic Flaw

A vulnerability in the internal packet processing of Cisco Firepower Threat Defense FTD Software for Cisco Firepower 2100 Series Firewalls could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to improper handli...

What Microsoft Bing’s IndexNow Means for CDN Users

Microsoft Bing today announced the rollout of IndexNow, a new protocol designed in conjunction with Yandex that can allow “websites to easily notify search engines whenever their website content is created, updated, or deleted.” The goal is to reduce the amount of time it takes for search engines...

CVE-2021-0292

An Uncontrolled Resource Consumption vulnerability in the ARP daemon arpd and Network Discovery Protocol ndp process of Juniper Networks Junos OS Evolved allows a malicious attacker on the local network to consume memory resources, ultimately resulting in a Denial of Service DoS condition...

CVE-2021-0285

An uncontrolled resource consumption vulnerability in Juniper Networks Junos OS on QFX5000 Series and EX4600 Series switches allows an attacker sending large amounts of legitimate traffic destined to the device to cause Interchassis Control Protocol ICCP interruptions, leading to an unstable...

CVE-2021-0285 Junos 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

An uncontrolled resource consumption vulnerability in Juniper Networks Junos OS on QFX5000 Series and EX4600 Series switches allows an attacker sending large amounts of legitimate traffic destined to the device to cause Interchassis Control Protocol ICCP interruptions, leading to an unstable...

CVE-2020-26569

In EVPN VxLAN setups in Arista EOS, specific malformed packets can lead to incorrect MAC to IP bindings and as a result packets can be incorrectly forwarded across VLAN boundaries. This can result in traffic being discarded on the receiving VLAN. This affects versions: 4.21.12M and below releases...

CVE-2020-15897

Arista EOS before 4.21.12M, 4.22.x before 4.22.7M, 4.23.x before 4.23.5M, and 4.24.x before 4.24.2F allows remote attackers to cause traffic loss or incorrect forwarding of traffic via a malformed link-state PDU to the IS-IS router...

CVE-2020-15897

CVE-2020-15897 affects Arista EOS where malformed IS-IS link-state PDUs can cause traffic loss or incorrect forwarding. Affected EOS versions are 4.21.12M and all 4.22.x prior to 4.22.7M, all 4.23.x prior to 4.23.5M, and all 4.24.x prior to 4.24.2F. The issue arises in the IS-IS router when proce...

Design/Logic Flaw

The ATOMIC.TCP signature engine in the Intrusion Prevention System IPS feature for Cisco IOS 12.4XA, 12.3YA, 12.3T, and other trains allows remote attackers to cause a denial of service IPS crash and traffic loss via unspecified manipulations that are not properly handled by the regular expressio...

CVE-2007-0918

The ATOMIC.TCP signature engine in the Intrusion Prevention System IPS feature for Cisco IOS 12.4XA, 12.3YA, 12.3T, and other trains allows remote attackers to cause a denial of service IPS crash and traffic loss via unspecified manipulations that are not properly handled by the regular expressio...