CVE-2025-48989 Apache Tomcat: h2 DoS - Made You Reset

Improper Resource Shutdown or Release vulnerability in Apache Tomcat made Tomcat vulnerable to the made you reset attack. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.9, from 10.1.0-M1 through 10.1.43 and from 9.0.0.M1 through 9.0.107. Older, EOL versions may also be affected...

K000152911: Apache Tomcat vulnerability CVE-2025-52520

Security Advisory Description For some unlikely configurations of multipart upload, an Integer Overflow vulnerability in Apache Tomcat could lead to a DoS via bypassing of size limits. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.8, from 10.1.0-M1 through 10.1.42, from 9.0.0.M1...

Linux Distros Unpatched Vulnerability : CVE-2025-53506

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Uncontrolled Resource Consumption vulnerability in Apache Tomcat if an HTTP/2 client did not acknowledge the initial settings frame that reduces the maximum...

Linux Distros Unpatched Vulnerability : CVE-2021-30639

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A vulnerability in Apache Tomcat allows an attacker to remotely trigger a denial of service. An error introduced as part of a change to improve error handling...

Linux Distros Unpatched Vulnerability : CVE-2021-30640

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A vulnerability in the JNDI Realm of Apache Tomcat allows an attacker to authenticate using variations of a valid user name and/or to bypass some of the...

Amazon Linux 2023 : tomcat10, tomcat10-admin-webapps, tomcat10-el-5.0-api (ALAS2023-2025-1093)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2025-1093 advisory. For some unlikely configurations of multipart upload, an Integer Overflow vulnerability in Apache Tomcat could lead to a DoS via bypassing of size limits. This issue affects Apache Tomcat: fro...

BIT-TOMCAT-2024-34750 Apache Tomcat: HTTP/2 excess header handling DoS

Improper Handling of Exceptional Conditions, Uncontrolled Resource Consumption vulnerability in Apache Tomcat. When processing an HTTP/2 stream, Tomcat did not handle some cases of excessive HTTP headers correctly. This led to a miscounting of active HTTP/2 streams which in turn led to the use of...

K000152592: Apache Tomcat vulnerability CVE-2025-46701

Security Advisory Description Improper Handling of Case Sensitivity vulnerability in Apache Tomcat's GCI servlet allows security constraint bypass of security constraints that apply to the pathInfo component of a URI mapped to the CGI servlet. This issue affects Apache Tomcat: from 11.0.0-M1...

BIT-TOMCAT-2025-52520 Apache Tomcat: DoS via integer overflow in multipart file upload

For some unlikely configurations of multipart upload, an Integer Overflow vulnerability in Apache Tomcat could lead to a DoS via bypassing of size limits. This issue affects Apache Tomcat: from 11.0.0 through 11.0.8, from 10.1.0 through 10.1.42, from 9.0.0 through 9.0.106. The following versions...

Security Bulletin: Apache Tomcat Path Equivalence Vulnerability Enables RCE and Information Disclosure in Versions, which affects IBM watsonx.data

Summary Path Equivalence: 'file.Name' Internal Dot leading to Remote Code Execution and/or Information disclosure and/or malicious content added to uploaded files via write enabled Default Servlet in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.2, from 10.1.0-M1...

CVE-2025-52520 Apache Tomcat: DoS via integer overflow in multipart file upload

For some unlikely configurations of multipart upload, an Integer Overflow vulnerability in Apache Tomcat could lead to a DoS via bypassing of size limits. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.8, from 10.1.0-M1 through 10.1.42, from 9.0.0.M1 through 9.0.106. The following...

CVE-2025-52520 Apache Tomcat: DoS via integer overflow in multipart file upload

For some unlikely configurations of multipart upload, an Integer Overflow vulnerability in Apache Tomcat could lead to a DoS via bypassing of size limits. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.8, from 10.1.0-M1 through 10.1.42, from 9.0.0.M1 through 9.0.106. The following...

CVE-2025-52520

The CVE-2025-52520 entry describes an Integer Overflow DoS in Apache Tomcat triggered by certain multipart upload configurations. Affected branches include Tomcat 11.0.x (11.0.0-M1 to 11.0.8) and older 10.1.x (10.1.0-M1 to 10.1.42) and 9.0.x (9.0.0.M1 to 9.0.106); EOL versions may also be affecte...

CVE-2025-52434 Apache Tomcat: APR/Native Connector crash leading to DoS

Concurrent Execution using Shared Resource with Improper Synchronization 'Race Condition' vulnerability in Apache Tomcat when using the APR/Native connector. This was particularly noticeable with client initiated closes of HTTP/2 connections. This issue affects Apache Tomcat: from 9.0.0.M1 throug...

CVE-2025-52434 Apache Tomcat: APR/Native Connector crash leading to DoS

Concurrent Execution using Shared Resource with Improper Synchronization 'Race Condition' vulnerability in Apache Tomcat when using the APR/Native connector. This was particularly noticeable with client initiated closes of HTTP/2 connections. This issue affects Apache Tomcat: from 9.0.0.M1 throug...

BIT-TOMCAT-2025-48988 Apache Tomcat: FileUpload large number of parts with headers DoS

Allocation of Resources Without Limits or Throttling vulnerability in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0 through 11.0.7, from 10.1.0 through 10.1.41, from 9.0.0 through 9.0.105. The following versions were EOL at the time the CVE was created but are known to be affected:...

The vulnerability of the Apache Tomcat application server, related to unlimited resource allocation, allows attackers to cause service failures.

The vulnerability of the Apache Tomcat application server is related to the unlimited distribution of resources. Exploiting this vulnerability can allow a malicious actor to cause service failures...

Authentication Bypass

Apache Tomcat is vulnerable to Authentication Bypass. The vulnerability is due to improper handling of resource mounting paths PreResources or PostResources in Apache Tomcat, which allows access to resources via alternate, unprotected paths...

Medium: tomcat10

Issue Overview: Improper Handling of Case Sensitivity vulnerability in Apache Tomcat's GCI servlet allows security constraint bypass of security constraints that apply to the pathInfo component of a URI mapped to the CGI servlet. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.6, fr...

Amazon Linux 2023 : tomcat10, tomcat10-admin-webapps, tomcat10-el-5.0-api (ALAS2023-2025-1031)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2025-1031 advisory. Improper Handling of Case Sensitivity vulnerability in Apache Tomcat's GCI servlet allows security constraint bypass of security constraints that apply to the pathInfo component of a URI mapped to the...