CVE-2026-33781

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-2026-33781

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-2026-33781

Junos OS on EX Series and QFX Series is affected by CVE-2026-33781. In VXLAN scenarios, when L2PT is enabled on the UNI and VSTP on the NNI, receiving VSTP BPDUs on UNI can trigger a memory leak in the packet forwarding engine (pfe) and packet buffer allocation failures, causing the device to sto...

PT-2026-31801

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...

EUVD-2001-0426

Malware in sbrugna...

EUVD-2017-2745

Malware in sbrugna...

EUVD-2011-2051

Malware in sbrugna...

EUVD-2016-2359

Malware in sbrugna...

CVE-2011-2057

The cat6000-dot1x component in Cisco IOS 12.2 before 12.233SXI7 does not properly handle 1 a loop between a dot1x enabled port and an open-authentication dot1x enabled port and 2 a loop between a dot1x enabled port and a non-dot1x port, which allows remote attackers to cause a denial of service...

Considerations for Connecting XenServer to the Switch Ports

This article contains information about connecting XenServer to a switch. Background Switch ports must be configured differently for a XenServer host as opposed to a standard computer. The following considerations are recommended when connecting a XenServer to a switch: If using Spanning Tree...

PT-2024-5063 · Juniper Networks · Junos Evolved +1

Name of the Vulnerable Software and Affected Versions: Junos OS versions prior to 20.4R3-S9 Junos OS versions from 21.2 prior to 21.2R3-S7 Junos OS versions from 21.3 prior to 21.3R3-S5 Junos OS versions from 21.4 prior to 21.4R3-S4 Junos OS versions from 22.1 prior to 22.1R3-S4 Junos OS versions...

SUSE CVE-2016-7940

The STP parser in tcpdump before 4.9.0 has a buffer overflow in print-stp.c, multiple functions...

SUSE CVE-2017-11108

tcpdump 4.9.0 allows remote attackers to cause a denial of service heap-based buffer over-read and application crash via crafted packet data. The crash occurs in the EXTRACT16BITS function, called from the stpprint function for the Spanning Tree Protocol...

CVE-2022-22172

A Missing Release of Memory after Effective Lifetime vulnerability in the Layer-2 control protocols daemon l2cpd of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated adjacent attacker to cause a memory leak. Continued exploitation can lead to memory exhaustion and thereby a...

Siemens SCALANCE and RUGGEDCOM Devices (Update A)

1. EXECUTIVE SUMMARY CVSS v3 8.8 ATTENTION: Exploitable remotely/low attack complexity Vendor: Siemens Equipment: SCALANCE and RUGGEDCOM Devices Vulnerability: Stack-based Buffer Overflow 2. UPDATE INFORMATION This updated advisory is a follow-up to the original advisory titled ICSA-21-068-03...

Denial Of Service (DoS)

tcpdump is vulnerable to denial of service DoS. The vulnerability exists as a heap-based buffer over-read could occur via crafted packet data. The crash occurs in the EXTRACT16BITS function, called from the stpprint function for the Spanning Tree Protocol...

EulerOS 2.0 SP3 : tcpdump (EulerOS-SA-2019-2674)

According to the versions of the tcpdump package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - tcpdump 4.9.0 allows remote attackers to cause a denial of service heap-based buffer over-read and application crash via crafted packet data. Th...

EulerOS 2.0 SP2 : tcpdump (EulerOS-SA-2019-2435)

According to the versions of the tcpdump package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - tcpdump 4.9.0 allows remote attackers to cause a denial of service heap-based buffer over-read and application crash via crafted packet data. Th...

tcpdump: Heap buffer overflow in the EXTRACT_16BITS function

tcpdump 4.9.0 allows remote attackers to cause a denial of service heap-based buffer over-read and application crash via crafted packet data. The crash occurs in the EXTRACT16BITS function, called from the stpprint function for the Spanning Tree Protocol...

CVE-2017-11108

tcpdump 4.9.0 allows remote attackers to cause a denial of service heap-based buffer over-read and application crash via crafted packet data. The crash occurs in the EXTRACT16BITS function, called from the stpprint function for the Spanning Tree Protocol...