Fixed in Apache Tomcat 9.0.20

Important: Denial of Service CVE-2019-10072 The fix for CVE-2019-0199 was incomplete and did not address HTTP/2 connection window exhaustion on write. By not sending WINDOWUPDATE messages for the connection window stream 0 clients were able to cause server-side threads to block eventually leading...

Fixed in Apache Tomcat 7.0.85

Important: Security constraint annotations applied too late CVE-2018-1305 Security constraints defined by annotations of Servlets were only applied once a Servlet had been loaded. Because security constraints defined in this way apply to the URL pattern and any URLs below that point, it was...

Fixed in Apache Tomcat 4.1.40

Important: Information Disclosure CVE-2008-5515 When using a RequestDispatcher obtained from the Request, the target path was normalised before the query string was removed. A request that included a specially crafted request parameter could be used to access content that would otherwise be...

Fixed in Apache Tomcat 4.1.12, 4.0.5

Important: Information disclosure CVE-2002-1148 A specially crafted URL using the default servlet can enable an attacker to obtain the source of JSP pages. Affects: 4.0.0-4.0.4, 4.1.0-4.1.11...

Fixed in Apache Tomcat 3.2.4

Moderate: Information disclosure CVE-2001-1563 No specifics are provided in the vulnerability report. This may be a summary of other issues reported against 3.2.x Affects: 3.2?, 3.2.1, 3.2.2-3.2.3?...

Fixed in Apache Tomcat 10.1.42

Moderate: Session fixation possible via rewrite valve CVE-2025-55668 If the rewrite valve was enabled for a web application, an attacker was able to craft a URL that, if a victim clicked on it, would cause the victim's interaction with that resource to occur in the context of the attacker's...

Fixed in Apache Tomcat 10.1.40

Low: Rewrite rule bypass CVE-2025-31651 For a subset of unlikely rewrite rule configurations, it was possible for a specially crafted request to bypass some rewrite rules. If those rewrite rules effectively enforced security constraints, those constraints could be bypassed. This was fixed with...

Fixed in Apache Tomcat 8.5.89

Important: Information disclosure CVE-2023-34981 The fix for bug 66512 introduced a regression that was fixed as bug 66591. The regression meant that, if a response did not have any HTTP headers set, no AJP SENDHEADERS message would be sent which in turn meant that at least one AJP based proxy...

Fixed in Apache Tomcat 7.0.32

Important: Bypass of CSRF prevention filter CVE-2012-4431 The CSRF prevention filter could be bypassed if a request was made to a protected resource without a session identifier present in the request. This was fixed in revision 1393088. This issue was identified by the Tomcat security team on 8...

Fixed in Apache Tomcat 6.0.33

Moderate: Multiple weaknesses in HTTP DIGEST authentication CVE-2011-1184 Note: Mitre elected to break this issue down into multiple issues and have allocated the following additional references to parts of this issue: CVE-2011-5062, CVE-2011-5063 and CVE-2011-5064. The Apache Tomcat security tea...

Fixed in Apache Tomcat 9.0.75

Important: Information disclosure CVE-2023-34981 The fix for bug 66512 introduced a regression that was fixed as bug 66591. The regression meant that, if a response did not have any HTTP headers set, no AJP SENDHEADERS message would be sent which in turn meant that at least one AJP based proxy...

Fixed in Apache Tomcat 10.0.2

Note: The issues below were fixed in Apache Tomcat 10.0.1 but the release vote for the 10.0.1 release candidate did not pass. Therefore, although users must download 10.0.2 to obtain a version that includes a fix for these issues, version 10.0.1 is not included in the list of affected versions...

Fixed in Apache Tomcat 6.0.24

Note: These issues were fixed in Apache Tomcat 6.0.21 but the release votes for the 6.0.21, 6.0.22 and 6.0.23 release candidates did not pass. Therefore, although users must download 6.0.24 to obtain a version that includes fixes for these issues, versions 6.0.21 onwards are not included in the...

Fixed in Apache Tomcat 9.0.96

Important: Request and/or response mix-up CVE-2024-52317 Incorrect recycling of the request and response used by HTTP/2 requests could lead to request and/or response mix-up between users. This was fixed with commit 47307ee2. This issue was identified by the Tomcat Security Team on 1 October 2024...

Fixed in Apache Tomcat 10.0.5

Important: Denial of Service CVE-2021-30639 An error introduced as part of a change to improve error handling during non-blocking I/O meant that the error flag associated with the Request object was not reset between requests. This meant that once a non-blocking I/O error occurred, all future...

Fixed in Apache Tomcat 8.0.50

Important: Security constraint annotations applied too late CVE-2018-1305 Security constraints defined by annotations of Servlets were only applied once a Servlet had been loaded. Because security constraints defined in this way apply to the URL pattern and any URLs below that point, it was...

Fixed in Apache Tomcat 7.0.54

Low: Information Disclosure CVE-2014-0119 In limited circumstances it was possible for a malicious web application to replace the XML parsers used by Tomcat to process XSLTs for the default servlet, JSP documents, tag library descriptors TLDs and tag plugin configuration files. The injected XML...

Fixed in Apache Tomcat 7.0.40

Moderate: Information disclosure CVE-2013-2071 Bug 54178 described a scenario where elements of a previous request may be exposed to a current request. This was very difficult to exploit deliberately but fairly likely to happen unexpectedly if an application used AsyncListeners that threw...

Fixed in Apache Tomcat 5.5.32

Low: Cross-site scripting CVE-2011-0013 The HTML Manager interface displayed web application provided data, such as display names, without filtering. A malicious web application could trigger script execution by an administrative user when viewing the manager pages. This was fixed in revision...

Fixed in Apache Tomcat 3.3.1

Important: Denial of service CVE-2003-0045 JSP page names that match a Windows DOS device name, such as aux.jsp, may cause the thread processing the request to become unresponsive. A sequence of such requests may cause all request processing threads, and hence Tomcat, to become unresponsive...

Fixed in Apache Tomcat 11.0.0

Important: Request and/or response mix-up CVE-2024-52317 Incorrect recycling of the request and response used by HTTP/2 requests could lead to request and/or response mix-up between users. This was fixed with commit 9e840cca. This issue was identified by the Tomcat Security Team on 1 October 2024...

Fixed in Apache Tomcat 7.0.89

Low: CORS filter has insecure defaults CVE-2018-8014 The defaults settings for the CORS filter are insecure and enable supportsCredentials for all origins. It is expected that users of the CORS filter will have configured it appropriately for their environment rather than using it in the default...

Fixed in Apache Tomcat 5.5.21, 5.0.SVN

Low: Cross-site scripting CVE-2007-1358 Web pages that display the Accept-Language header value sent by the client are susceptible to a cross-site scripting attack if they assume the Accept-Language header value conforms to RFC 2616. Under normal circumstances this would not be possible to exploi...

Fixed in Apache Tomcat 3.2.2

Moderate: Cross site scripting CVE-2001-0829 The default 404 error page does not escape URLs. This allows XSS attacks using specially crafted URLs. Affects: 3.0, 3.1-3.1.1, 3.2-3.2.1 Moderate: Information disclosure CVE-2001-0590 A specially crafted URL can be used to obtain the source for JSPs...

Fixed in Apache Tomcat 7.0.67

Note: The issue below was fixed in Apache Tomcat 7.0.66 but the release vote for the 7.0.66 release candidate did not pass. Therefore, although users must download 7.0.67 to obtain a version that includes a fix for this issue, version 7.0.66 is not included in the list of affected versions. Low:...

Fixed in Apache Tomcat 4.1.39

Moderate: Session hi-jacking CVE-2008-0128 When using the SingleSignOn Valve via https the Cookie JSESSIONIDSSO is transmitted without the "secure" attribute, resulting in it being transmitted to any content that is - by purpose or error - requested via http from the same server. This was fixed i...

Fixed in Apache Tomcat 8.0.27

Low: Limited directory traversal CVE-2015-5174 This issue only affects users running untrusted web applications under a security manager. When accessing resources via the ServletContext methods getResource getResourceAsStream and getResourcePaths the paths should be limited to the current web...

Fixed in Apache Tomcat 6.0.41

Note: The issues below were fixed in Apache Tomcat 6.0.40 but the release vote for the 6.0.40 release candidate did not pass. Therefore, although users must download 6.0.41 to obtain a version that includes fixes for these issues, version 6.0.40 is not included in the list of affected versions...

Fixed in Apache Tomcat 6.0.39

Note: The issues below were fixed in Apache Tomcat 6.0.38 but the release vote for 6.0.38 did not pass. Therefore, although users must download 6.0.39 to obtain a version that includes the fixes for these issues, version 6.0.38 is not included in the list of affected versions. Low: Frame injectio...

Fixed in Apache Tomcat 8.5.65

Important: Denial of Service CVE-2021-30639 An error introduced as part of a change to improve error handling during non-blocking I/O meant that the error flag associated with the Request object was not reset between requests. This meant that once a non-blocking I/O error occurred, all future...

Fixed in Apache Tomcat 10.0.0-M10

Important: Information disclosure CVE-2021-24122 When serving resources from a network location using the NTFS file system it was possible to bypass security constraints and/or view the source code for JSPs in some configurations. The root cause was the unexpected behaviour of the JRE API...

Fixed in Apache Tomcat 7.0.88

Important: A bug in the UTF-8 decoder can lead to DoS CVE-2018-1336 An improper handing of overflow in the UTF-8 decoder with supplementary characters can lead to an infinite loop in the decoder causing a Denial of Service. This was fixed in revision 1830376. This issue was reported publicly on 6...

Fixed in Apache Tomcat 8.0.41

Note: The issue below was fixed in Apache Tomcat 8.0.40 but the release vote for the 8.0.40 release candidate did not pass. Therefore, although users must download 8.0.41 to obtain a version that includes the fix for this issue, version 8.0.40 is not included in the list of affected versions...

Fixed in Apache Tomcat 8.0.5

Note: The issues below were fixed in Apache Tomcat 8.0.4 but the release vote for the 8.0.4 release candidate did not pass. Therefore, although users must download 8.0.5 to obtain a version that includes fixes for these issues, version 8.0.4 is not included in the list of affected versions...

Fixed in Apache Tomcat 7.0.20

Important: Information disclosure CVE-2011-2729 Due to a bug in the capabilities code, jsvc the service wrapper for Linux that is part of the Commons Daemon project does not drop capabilities allowing the application to access files and directories owned by superuser. This vulnerability only occu...

Fixed in Apache Tomcat 10.1.2

Low: Apache Tomcat JsonErrorReportValve injection CVE-2022-45143 The JsonErrorReportValve did not escape the type, message or description values. In some circumstances these are constructed from user provided data and it was therefore possible for users to supply values that invalidated or...

Fixed in Apache Tomcat 10.0.27

Low: Apache Tomcat request smuggling CVE-2022-42252 If Tomcat was configured to ignore invalid HTTP headers via setting rejectIllegalHeader to false not the default, Tomcat did not reject a request containing an invalid Content-Length header making a request smuggling attack possible if Tomcat wa...

Fixed in Apache Tomcat 5.5.29

Low: Arbitrary file deletion and/or alteration on deploy CVE-2009-2693 When deploying WAR files, the WAR files were not checked for directory traversal attempts. This allows an attacker to create arbitrary content outside of the web root by including entries such as ../../bin/catalina.sh in the...

Fixed in Apache Tomcat 7.0.65

Low: Limited directory traversal CVE-2015-5174 This issue only affects users running untrusted web applications under a security manager. When accessing resources via the ServletContext methods getResource getResourceAsStream and getResourcePaths the paths should be limited to the current web...

Fixed in Apache Tomcat 7.0.5

Low: Cross-site scripting CVE-2010-4172 The Manager application used the user provided parameters sort and orderBy directly without filtering thereby permitting cross-site scripting. The CSRF protection, which is enabled by default, prevents an attacker from exploiting this. This was fixed in...

Fixed in Apache Tomcat 3.3.1a

Important: Information disclosure CVE-2003-0043 When used with JDK 1.3.1 or earlier, web.xml files were read with trusted privileges enabling files outside of the web application to be read even when running under a security manager. Affects: 3.0, 3.1-3.1.1, 3.2-3.2.4, 3.3a-3.3.1 Important:...

Fixed in Apache Tomcat 10.1.9

Important: Information disclosure CVE-2023-34981 The fix for bug 66512 introduced a regression that was fixed as bug 66591. The regression meant that, if a response did not have any HTTP headers set, no AJP SENDHEADERS message would be sent which in turn meant that at least one AJP based proxy...

Fixed in Apache Tomcat 10.0.12

Important: Denial of Service CVE-2021-42340 The fix for bug 63362 introduced a memory leak. The object introduced to collect metrics for HTTP upgrade connections was not released for WebSocket connections once the WebSocket connection was closed. This created a memory leak that, over time, could...

Fixed in Apache Tomcat 10.0.4

Note: The issue below was fixed in Apache Tomcat 10.0.3 but the release vote for the 10.0.3 release candidate did not pass. Therefore, although users must download 10.0.4 to obtain a version that includes a fix for these issues, version 10.0.3 is not included in the list of affected versions...

Fixed in Apache Tomcat 6.0.30

Low: Cross-site scripting CVE-2011-0013 The HTML Manager interface displayed web application provided data, such as display names, without filtering. A malicious web application could trigger script execution by an administrative user when viewing the manager pages. This was fixed in revision...

Fixed in Apache Tomcat JK Connector 1.2.23

Important: Information disclosure CVE-2007-1860 The issue is related to CVE-2007-0450, the patch for which was insufficient. When multiple components firewalls, caches, proxies and Tomcat process a request, the request URL should not get decoded multiple times in an iterative way by these...

Fixed in Apache Tomcat 6.0.6

Low: Cross-site scripting CVE-2007-1358 Web pages that display the Accept-Language header value sent by the client are susceptible to a cross-site scripting attack if they assume the Accept-Language header value conforms to RFC 2616. Under normal circumstances this would not be possible to exploi...

Fixed in Apache Tomcat 5.5.13, 5.0.SVN

Low: Directory listing CVE-2006-3835 This is expected behaviour when directory listings are enabled. The semicolon ; is the separator for path parameters so inserting one before a file name changes the request into a request for a directory with a path parameter. If directory listings are enabled...

Fixed in Apache Tomcat 4.1.13, 4.0.6

Important: Information disclosure CVE-2002-1394 A specially crafted URL using the invoker servlet in conjunction with the default servlet can enable an attacker to obtain the source of JSP pages or, under special circumstances, a static resource that would otherwise have been protected by a...

Fixed in Apache Tomcat 11.0.26

Low: WebSocket message smuggling with per-message-deflate CVE-2026-87022 Improper handling of length parameter allows WebSocket message smuggling when per-message-deflate is used. This was fixed with commit 4fef25fe. This issue was reported to the Tomcat security team on 7 September 2026. The iss...