CVE-2025-25290 @octokit/request has a Regular Expression in fetchWrapper that Leads to ReDoS Vulnerability Due to Catastrophic Backtracking

@octokit/request sends parameterized requests to GitHub’s APIs with sensible defaults in browsers and Node. Starting in version 1.0.0 and prior to versions 9.2.1 and 8.4.1, the regular expression /+; rel="deprecation"/ used to match the link header in HTTP responses is vulnerable to a ReDoS Regul...

@octokit/request has a Regular Expression in fetchWrapper that Leads to ReDoS Vulnerability Due to Catastrophic Backtracking

Summary The regular expression /+; rel="deprecation"/ used to match the link header in HTTP responses is vulnerable to a ReDoS Regular Expression Denial of Service attack. This vulnerability arises due to the unbounded nature of the regex's matching behavior, which can lead to catastrophic...

CVE-2020-26821

SAP Solution Manager JAVA stack, version - 7.20, allows an unauthenticated attacker to compromise the system because of missing authorization checks in the SVG Converter Service, this has an impact to the integrity and availability of the service...

CVE-2024-43789

Discourse is an open source platform for community discussion. A user can create a post with many replies, and then attempt to fetch them all at once. This can potentially reduce the availability of a Discourse instance. This problem has been patched in the latest version of Discourse. All users...

CVE-2024-6036

A vulnerability in gaizhenbiao/chuanhuchatgpt version 20240410 allows any user to restart the server at will by sending a specific request to the /queue/join? endpoint with "fnindex":66. This unrestricted server restart capability can severely disrupt service availability, cause data loss or...

CVE-2024-42038

Vulnerability of PIN enhancement failures in the screen lock module Impact: Successful exploitation of this vulnerability may affect service confidentiality, integrity, and availability...

CVE-2025-21218 Windows Kerberos Denial of Service Vulnerability

...

Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability

...

What To Do When You’re Under a DDoS Attack: A Guide to Action

...

Denial Of Service (DoS)

Kube-controller-manager is vulnerable to denial of service. The vulnerability is due to a missing .spec.behavior.scaleUp block in the HPA YAML file, causing kube-controller-manager pods to enter a restart loop and disrupt service availability. It allows an attacker to trigger a DoS by deploying t...

python-tornado: Tornado has HTTP cookie parsing DoS vulnerability

A flaw was found in Tornado's HTTP cookie parsing algorithm. This vulnerability allows excessive CPU consumption via maliciously crafted cookie headers due to Quadratic complexity, potentially blocking the processing of other requests and leading to the loss of availability of the system...

The vulnerability of the gsm_cleanup_mux() function in the Linux operating system allows a hacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the gsmcleanupmux function in the drivers/tty/ngsm.c kernel module of the Linux operating system is related to the repeated use of previously freed memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of...

Apache ZooKeeper 3.9.x < 3.9.3 Authentication Bypass

The version of Apache ZooKeeper listening on the remote host is 3.9.x prior to 3.9.3. It is, therefore, affected by an authentication bypass vulnerability: - When using IPAuthenticationProvider in ZooKeeper Admin Server there is a possibility of Authentication Bypass by Spoofing -- this only...

Apache ZooKeeper Authentication Bypass Vulnerability

Apache ZooKeeper is a centralized service under the Apache Software Foundation for maintaining configuration information, naming, providing distributed synchronization, and providing group services. An authentication bypass vulnerability exists in Apache ZooKeeper versions prior to 3.9.3. The...

CVE-2024-51504

An authentication bypass vulnerability was found in Apache Zookeeper. The default configuration of the client's IP address detection in IPAuthenticationProvider, which uses HTTP request headers, is weak and allows an attacker to bypass authentication by spoofing the client's IP address in request...

GHSA-G93M-8X6H-G5GV Apache ZooKeeper: Authentication bypass with IP-based authentication in Admin Server

When using IPAuthenticationProvider in ZooKeeper Admin Server there is a possibility of Authentication Bypass by Spoofing -- this only impacts IP based authentication implemented in ZooKeeper Admin Server. Default configuration of client's IP address detection in IPAuthenticationProvider, which...

CVE-2024-51504 Apache ZooKeeper: Authentication bypass with IP-based authentication in Admin Server

When using IPAuthenticationProvider in ZooKeeper Admin Server there is a possibility of Authentication Bypass by Spoofing -- this only impacts IP based authentication implemented in ZooKeeper Admin Server. Default configuration of client's IP address detection in IPAuthenticationProvider, which...

CVE-2024-51504

When using IPAuthenticationProvider in ZooKeeper Admin Server there is a possibility of Authentication Bypass by Spoofing -- this only impacts IP based authentication implemented in ZooKeeper Admin Server. Default configuration of client's IP address detection in IPAuthenticationProvider, which...

CVE-2024-51504 Apache ZooKeeper: Authentication bypass with IP-based authentication in Admin Server

When using IPAuthenticationProvider in ZooKeeper Admin Server there is a possibility of Authentication Bypass by Spoofing -- this only impacts IP based authentication implemented in ZooKeeper Admin Server. Default configuration of client's IP address detection in IPAuthenticationProvider, which...

CVE-2024-51504

The ZooKeeper Admin Server is vulnerable to an Authentication Bypass by Spoofing (CWE-290) due to a weak default configuration in the IPAuthenticationProvider . Specifically, the provider honors the X-Forwarded-For HTTP request header, which can be easily spoofed by an attacker to bypass IP-based...