131833 matches found
Important: Red Hat Security Advisory: tomcat security update
An update for tomcat is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...
tomcat: Apache Tomcat: Insufficient documentation for EncryptInterceptor may lead to insecure configurations
A flaw was found in Apache Tomcat. Insufficient technical documentation regarding the secure configuration of the EncryptInterceptor component may lead to deployments with insecure settings. This vulnerability could allow an attacker to exploit misconfigurations that arise from unclear guidance,...
tomcat-catalina: Apache Tomcat: Improper Handling of Case Sensitivity in LockOutRealm
In Apache Tomcat, LockOutRealm mishandled case sensitivity in usernames, resulting in less effective blocking of brute force attacks...
Apache Tomcat: Apache Tomcat: Improper Input Validation vulnerability due to incomplete fix
A flaw was found in Apache Tomcat. This improper input validation vulnerability stems from an incomplete fix for a previous security issue CVE-2025-66614. This flaw may allow an attacker to bypass security controls or cause unexpected behavior within the application...
Apache Tomcat: Apache Tomcat: Authentication bypass due to CLIENT_CERT soft fail misconfiguration
A flaw was found in Apache Tomcat and Apache Tomcat Native. When CLIENTCERT authentication is configured with "soft fail" disabled, the authentication process may not correctly fail in certain scenarios. This vulnerability could allow an attacker to bypass expected client certificate...
tomcat: Apache Tomcat: Security constraint bypass for CGI scripts
A flaw was found in the CGI servlet component of Apache Tomcat. This vulnerability allows a security constraint bypass via improper handling of case sensitivity in the pathInfo component of a URI mapped to the CGI servlet...
tomcat: Apache Tomcat: Authentication bypass when using Jakarta Authentication API
A flaw was found in Apache Tomcat when configured to use a custom Jakarta Authentication formerly JASPIC ServerAuthContext component. This vulnerability allows authentication bypass via improperly handled exceptions during the authentication process...
tomcat: Apache Tomcat: DoS in examples web application
A flaw was found in the "examples" web application of Apache Tomcat. Numerous examples within that application did not place limits on uploaded data. This vulnerability can potentially trigger an out-of-memory OOM error, leading to a denial of service...
tomcat: Apache Tomcat: Misleading security logs due to incorrect control flow
A flaw was found in Apache Tomcat. Due to an always-incorrect control flow implementation, special roles and empty authorization constraints were not accurately included when the effective web.xml configuration was logged. This could lead to a security oversight where administrators might...
Apache Tomcat: Apache Tomcat: Information disclosure due to improper encoding in JsonAccessLogValve
A flaw was found in the JsonAccessLogValve component of Apache Tomcat. This improper encoding or escaping of output vulnerability could allow an attacker to inject specially crafted data into log files. This could lead to information disclosure or other unintended consequences when the logs are...
tomcat-coyote: Apache Tomcat: HTTP/2 request headers not validated
Apache Tomcat did not validate HTTP/2 request headers, triggering unexpected application behavior, as applications may presume that header values exposed through the Servlet API would be valid...
tomcat-coyote: Apache Tomcat: Information disclosure due to HTTP Authentication Header exposure during WebSocket authentication.
A flaw was found in Apache Tomcat. During WebSocket authentication, the HTTP Authentication Header can be exposed to unexpected hosts. This vulnerability leads to information disclosure, potentially allowing an attacker to gain access to sensitive authentication credentials...
Apache Tomcat: Apache Tomcat: Information disclosure via sensitive data in log files
A flaw was found in Apache Tomcat. The cloud membership for clustering component was vulnerable to the insertion of sensitive information into log files. This vulnerability could lead to the exposure of the Kubernetes bearer token, which is a credential used for authentication within a Kubernetes...
org.apache.tomcat/tomcat-catalina: tomcat: Apache Tomcat: session fixation via rewrite valve
A session fixation vulnerability has been identified in Apache Tomcat, affecting its rewrite functionality. If the rewrite valve is enabled for a web application, an attacker can craft a specific URL. If a victim clicks on this malicious URL, their subsequent interaction with the resource will...
tomcat: Apache Tomcat: Improper Authorization Allows Security Constraint Bypass
A flaw was found in Apache Tomcat where access control rules for the default servlet are improperly handled. An attacker can exploit this issue to bypass specific HTTP method restrictions, potentially gaining unauthorized access to protected application resources...
tomcat: org.apache.tomcat/tomcat-catalina: Apache Tomcat: Denial of service
A denial of service flaw has been discovered in Apache Tomcat. If an error occurred including exceeding limits during the processing of a multipart upload, temporary copies of the uploaded parts written to disc were not cleaned up immediately but left for the garbage collection process to delete...
tomcat: security constraint bypass with HTTP/0.9
A flaw was found in Tomcat. An improper input validation vulnerability allows an attacker to bypass security constraints. Specifically, if a security constraint is configured to permit HEAD requests to a URI but deny GET requests, a malformed or specification invalid HEAD request using the HTTP/0...
tomcat: Client certificate verification bypass due to virtual host mapping
A certificate validation flaw has been found in Apache Tomcat. omcat did not validate that the host name provided via the SNI extension was the same as the host name provided in the HTTP host header field. If Tomcat was configured with more than one virtual host and the TLS configuration for one ...
tomcat: Apache Tomcat: Denial of Service due to uncontrolled resource allocation
In Apache Tomcat, no limit was enforced on the request body for WebDAV LOCK or PROPFIND requests which were available to unauthenticated users. This allows a remote attacker to consume excessive resources, leading to Denial of Service DoS, making the affected system unavailable to legitimate user...
tomcat: Apache Tomcat: Information disclosure via AJP secret timing discrepancy
A flaw was found in Apache Tomcat. The AJP secret was comparable in non-constant time, allowing an attacker on the local network to mount a timing attack to determine the AJP secret, which may lead to unauthorized access or other security bypasses...
org.apache.tomcat/tomcat-juli: tomcat: Apache Tomcat: console manipulation
An improper input neutralization flaw has been discovered in Apache Tomcat. Tomcat did not escape ANSI escape sequences in log messages. If Tomcat was running in a console on a Windows operating system, and the console supported ANSI escape sequences, it was possible for an attacker to use a...
tomcat-coyote: tomcat: Improper Authorization allows security bypass
In Apache Tomcat, when multiple security constraints defined an HTTP method constraint for the same extension pattern, only the first method constraint was applied. A remote attacker could exploit this to bypass intended security restrictions for information or actions within the application...
tomcat-coyote: Apache Tomcat: Authentication bypass via digest authentication
A flaw was found in Apache Tomcat. When DIGEST authentication was configured, any user not known to the configured Realm would be authenticated if they presented the password "null". This allows a remote attacker to bypass security controls...
Apache Tomcat: Apache Tomcat: Improper Input Validation vulnerability due to incomplete fix
A flaw was found in Apache Tomcat. This improper input validation vulnerability stems from an incomplete fix for a previous security issue CVE-2025-66614. This flaw may allow an attacker to bypass security controls or cause unexpected behavior within the application...
tomcat: Apache Tomcat: Security constraint bypass via improper URL encoding in rewrite valve
A flaw was found in Apache Tomcat. This vulnerability, located in the rewrite valve, is due to improper handling of URL encoding hex encoding. A remote attacker could exploit this to bypass security constraints in certain configurations, potentially gaining unauthorized access or performing actio...
tomcat: Apache Tomcat: Cross-Site Scripting vulnerability in number guess example
A flaw was found in Apache Tomcat. This vulnerability, known as Cross-Site Scripting XSS, allows a remote attacker to inject malicious scripts into the 'number guess example' web page. When other users view the compromised page, these scripts can execute in their web browsers. This could lead to...
tomcat: Apache Tomcat: Denial of Service due to uncontrolled resource allocation
In Apache Tomcat, no limit was enforced on the request body for WebDAV LOCK or PROPFIND requests which were available to unauthenticated users. This allows a remote attacker to consume excessive resources, leading to Denial of Service DoS, making the affected system unavailable to legitimate user...
org.apache.tomcat/tomcat-juli: tomcat: Apache Tomcat: console manipulation
An improper input neutralization flaw has been discovered in Apache Tomcat. Tomcat did not escape ANSI escape sequences in log messages. If Tomcat was running in a console on a Windows operating system, and the console supported ANSI escape sequences, it was possible for an attacker to use a...
tomcat: Apache Tomcat: Authentication bypass when using Jakarta Authentication API
A flaw was found in Apache Tomcat when configured to use a custom Jakarta Authentication formerly JASPIC ServerAuthContext component. This vulnerability allows authentication bypass via improperly handled exceptions during the authentication process...
Apache Tomcat: Apache Tomcat: Information disclosure via sensitive data in log files
A flaw was found in Apache Tomcat. The cloud membership for clustering component was vulnerable to the insertion of sensitive information into log files. This vulnerability could lead to the exposure of the Kubernetes bearer token, which is a credential used for authentication within a Kubernetes...
org.apache.tomcat/tomcat-catalina: tomcat: Apache Tomcat: session fixation via rewrite valve
A session fixation vulnerability has been identified in Apache Tomcat, affecting its rewrite functionality. If the rewrite valve is enabled for a web application, an attacker can craft a specific URL. If a victim clicks on this malicious URL, their subsequent interaction with the resource will...
tomcat: Apache Tomcat: Misleading security logs due to incorrect control flow
A flaw was found in Apache Tomcat. Due to an always-incorrect control flow implementation, special roles and empty authorization constraints were not accurately included when the effective web.xml configuration was logged. This could lead to a security oversight where administrators might...
Apache Tomcat: Apache Tomcat: Incorrect control flow in rewrite valve allows unexpected rule processing
A flaw was found in Apache Tomcat's rewrite valve. This vulnerability involves an incorrect control flow implementation where, during the processing of rewrite rules, if the first condition in an OR chain matched, subsequent non-OR conditions were unexpectedly skipped. This can lead to unintended...
Important: Red Hat Security Advisory: tomcat security update
An update for tomcat is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...
tomcat: Apache Tomcat: Insufficient documentation for EncryptInterceptor may lead to insecure configurations
A flaw was found in Apache Tomcat. Insufficient technical documentation regarding the secure configuration of the EncryptInterceptor component may lead to deployments with insecure settings. This vulnerability could allow an attacker to exploit misconfigurations that arise from unclear guidance,...
tomcat-coyote: Apache Tomcat: Information disclosure due to HTTP Authentication Header exposure during WebSocket authentication.
A flaw was found in Apache Tomcat. During WebSocket authentication, the HTTP Authentication Header can be exposed to unexpected hosts. This vulnerability leads to information disclosure, potentially allowing an attacker to gain access to sensitive authentication credentials...
tomcat-coyote: tomcat: Improper Authorization allows security bypass
In Apache Tomcat, when multiple security constraints defined an HTTP method constraint for the same extension pattern, only the first method constraint was applied. A remote attacker could exploit this to bypass intended security restrictions for information or actions within the application...
tomcat-coyote: Apache Tomcat: HTTP/2 request headers not validated
Apache Tomcat did not validate HTTP/2 request headers, triggering unexpected application behavior, as applications may presume that header values exposed through the Servlet API would be valid...
tomcat: Apache Tomcat: Information disclosure via AJP secret timing discrepancy
A flaw was found in Apache Tomcat. The AJP secret was comparable in non-constant time, allowing an attacker on the local network to mount a timing attack to determine the AJP secret, which may lead to unauthorized access or other security bypasses...
tomcat: Apache Tomcat: DoS in examples web application
A flaw was found in the "examples" web application of Apache Tomcat. Numerous examples within that application did not place limits on uploaded data. This vulnerability can potentially trigger an out-of-memory OOM error, leading to a denial of service...
tomcat: org.apache.tomcat/tomcat-catalina: Apache Tomcat: Denial of service
A denial of service flaw has been discovered in Apache Tomcat. If an error occurred including exceeding limits during the processing of a multipart upload, temporary copies of the uploaded parts written to disc were not cleaned up immediately but left for the garbage collection process to delete...
Apache Tomcat: Apache Tomcat: HTTP Request/Response Smuggling via invalid chunk extension
A flaw was found in Apache Tomcat. A remote attacker could exploit an inconsistent interpretation of HTTP requests, known as HTTP Request/Response Smuggling, by sending a specially crafted request with an invalid chunk extension. This vulnerability allows an attacker to manipulate the way HTTP...
tomcat: Apache Tomcat: Improper Authorization Allows Security Constraint Bypass
A flaw was found in Apache Tomcat where access control rules for the default servlet are improperly handled. An attacker can exploit this issue to bypass specific HTTP method restrictions, potentially gaining unauthorized access to protected application resources...
Apache Tomcat: Apache Tomcat: Authentication bypass due to CLIENT_CERT soft fail misconfiguration
A flaw was found in Apache Tomcat and Apache Tomcat Native. When CLIENTCERT authentication is configured with "soft fail" disabled, the authentication process may not correctly fail in certain scenarios. This vulnerability could allow an attacker to bypass expected client certificate...
tomcat: Apache Tomcat: Authentication bypass via missing critical step in JNDIRealm GSSAPI configuration
A flaw was found in Apache Tomcat. When the JNDIRealm was configured to authenticate binds using GSSAPI, an attacker could exploit a missing critical step in the authentication process. This allowed the attacker to bypass password verification and authenticate without providing the correct...
tomcat-catalina: Apache Tomcat: Improper Handling of Case Sensitivity in LockOutRealm
In Apache Tomcat, LockOutRealm mishandled case sensitivity in usernames, resulting in less effective blocking of brute force attacks...
tomcat: Apache Tomcat: Security constraint bypass for CGI scripts
A flaw was found in the CGI servlet component of Apache Tomcat. This vulnerability allows a security constraint bypass via improper handling of case sensitivity in the pathInfo component of a URI mapped to the CGI servlet...
tomcat: Client certificate verification bypass due to virtual host mapping
A certificate validation flaw has been found in Apache Tomcat. omcat did not validate that the host name provided via the SNI extension was the same as the host name provided in the HTTP host header field. If Tomcat was configured with more than one virtual host and the TLS configuration for one ...
tomcat: security constraint bypass with HTTP/0.9
A flaw was found in Tomcat. An improper input validation vulnerability allows an attacker to bypass security constraints. Specifically, if a security constraint is configured to permit HEAD requests to a URI but deny GET requests, a malformed or specification invalid HEAD request using the HTTP/0...
Apache Tomcat: Apache Tomcat: Open Redirect vulnerability via LoadBalancerDrainingValve
A flaw was found in Apache Tomcat. This open redirect vulnerability allows an attacker to redirect a user to an untrusted site. This occurs through the LoadBalancerDrainingValve, which can be exploited to manipulate URL redirection. The primary impact is that users may be unknowingly directed to...