CVE-2025-21601 Junos OS: SRX and EX Series, MX240, MX480, MX960, QFX5120 Series: When web management is enabled for specific services an attacker may cause a CPU spike by sending genuine packets to the device

An Improper Following of Specification by Caller vulnerability in web management J-Web, Captive Portal, 802.1X, Juniper Secure Connect JSC of Juniper Networks Junos OS on SRX Series, EX Series, MX240, MX480, MX960, QFX5120 Series, allows an unauthenticated, network-based attacker, sending genuine...

CVE-2025-21601

CVE-2025-21601 affects Juniper Networks Junos OS on SRX/EX/MX/QFX series. The issue is an Improper Following of Specification by Caller in web management components (J-Web, Captive Portal, 802.1X, JSC) that allows an unauthenticated, network-based attacker to force high CPU usage by sending genui...

BIT-NODE-MIN-2020-11080 Denial of service in nghttp2

In nghttp2 before version 1.41.0, the overly large HTTP/2 SETTINGS frame payload causes denial of service. The proof of concept attack involves a malicious client constructing a SETTINGS frame with a length of 14,400 bytes 2400 individual settings entries over and over again. The attack causes th...

PT-2024-17578

Name of the Vulnerable Software and Affected Versions cert-manager versions 0.1.0 through 1.16.1 cert-manager versions 1.15.0 through 1.15.3 cert-manager versions 1.12.0 through 1.12.13 Description A flaw exists in the cert-manager package where the pem.Decode function can take an excessive amoun...

GHSA-3XGQ-45JJ-V275 Regular Expression Denial of Service (ReDoS) in cross-spawn

Versions of the package cross-spawn before 7.0.5 are vulnerable to Regular Expression Denial of Service ReDoS due to improper input sanitization. An attacker can increase the CPU usage and crash the program by crafting a very large and well crafted string...

SUSE CVE-2023-1390

A remote denial of service vulnerability was found in the Linux kernel's TIPC kernel module. The while loop in tipclinkxmit hits an unknown state while attempting to parse SKBs, which are not in the queue. Sending two small UDP packets to a system with a UDP bearer results in the CPU utilization...

SUSE CVE-2023-47633

Traefik is an open source HTTP reverse proxy and load balancer. The traefik docker container uses 100% CPU when it serves as its own backend, which is an automatically generated route resulting from the Docker integration in the default configuration. This issue has been addressed in versions...

PT-2023-9077 · Traefik +1 · Traefik +1

Name of the Vulnerable Software and Affected Versions: Traefik versions prior to 2.10.6 Traefik versions prior to 3.0.0-beta5 Description: The issue is related to the Traefik docker container using 100% CPU when it serves as its own backend, resulting from the Docker integration in the default...

kernel: hash collisions in the IPv6 connection lookup table

A hash collision flaw was found in the IPv6 connection lookup table in the Linux kernel’s IPv6 functionality when a user makes a new kind of SYN flood attack. A user located in the local network or with a high bandwidth connection can increase the CPU usage of the server that accepts IPV6...

Rocky Linux 8 : nghttp2 (RLSA-2020:2755)

The remote Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2020:2755 advisory. - In nghttp2 before version 1.41.0, the overly large HTTP/2 SETTINGS frame payload causes denial of service. The proof of concept attack involves a malicious...

Input validation

A vulnerability in ICMPv6 inspection when configured with the Snort 2 detection engine for Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause the CPU of an affected device to spike to 100 percent, which could stop all traffic processing and result...

CVE-2023-20083

A vulnerability in ICMPv6 inspection when configured with the Snort 2 detection engine for Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause the CPU of an affected device to spike to 100 percent, which could stop all traffic processing and result...

CVE-2023-20083

CVE-2023-20083 affects Cisco Firepower Threat Defense (FTD) Software in ICMPv6 inspection when Snort 2 is enabled. The flaw stems from improper error checking while parsing ICMPv6 header fields, allowing an unauthenticated remote attacker to trigger CPU exhaustion (up to 100%) and cause a DoS by ...

Cisco Firepower Threat Defense Software and Cisco FirePOWER Services ICMPv6 with Snort 2 Denial of Service Vulnerability

A vulnerability in ICMPv6 inspection when configured with the Snort 2 detection engine for Cisco Firepower Threat Defense FTD Software or Cisco FirePOWER Services could allow an unauthenticated, remote attacker to cause the CPU of an affected device to spike to 100 percent, which could stop all...

PT-2023-8662 · Cisco · Snort 2 Detection Engine +1

Name of the Vulnerable Software and Affected Versions: Cisco Firepower Threat Defense FTD Software affected versions not specified Description: The issue is related to improper error checking when parsing fields within the ICMPv6 header, which could allow an unauthenticated, remote attacker to...

PT-2023-7129 · Cisco · Cisco Firepower Management Center

Name of the Vulnerable Software and Affected Versions: Cisco Firepower Management Center FMC Software affected versions not specified Description: The issue is related to a lack of rate-limiting of requests sent to a specific API related to an FMC log, which could allow an unauthenticated, remote...

kernel: remote DoS in TIPC kernel module

A remote denial of service vulnerability was found in the Linux kernel’s TIPC kernel module. The while loop in tipclinkxmit hits an unknown state while attempting to parse SKBs, which are not in the queue. Sending two small UDP packets to a system with a UDP bearer results in the CPU utilization...

kernel: remote DoS in TIPC kernel module

A remote denial of service vulnerability was found in the Linux kernel’s TIPC kernel module. The while loop in tipclinkxmit hits an unknown state while attempting to parse SKBs, which are not in the queue. Sending two small UDP packets to a system with a UDP bearer results in the CPU utilization...

GHSA-HM9V-VJ3R-R55M PyPDF2 vulnerable to possible Infinite Loop when reading malformed objects

Impact An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This infinite loop blocks the current process and can utilize a single core of the CPU by 100%. It does not affect memory usage. That is, for example, the case if the user extracted metadata from such ...

DEBIAN-CVE-2023-1206

A hash collision flaw was found in the IPv6 connection lookup table in the Linux kernel’s IPv6 functionality when a user makes a new kind of SYN flood attack. A user located in the local network or with a high bandwidth connection can increase the CPU usage of the server that accepts IPV6...