SUSE-SU-2026:20982-1: important: Security update for tomcat10
SLE-UPDATES
null at suse.de
Thu Apr 9 16:31:22 UTC 2026
# Security update for tomcat10
Announcement ID: SUSE-SU-2026:20982-1
Release Date: 2026-03-30T08:14:01Z
Rating: important
References:
* bsc#1252753
* bsc#1252756
* bsc#1252905
* bsc#1253460
* bsc#1258371
* bsc#1258385
* bsc#1258387
Cross-References:
* CVE-2025-55752
* CVE-2025-55754
* CVE-2025-61795
* CVE-2025-66614
* CVE-2026-24733
* CVE-2026-24734
CVSS scores:
* CVE-2025-55752 ( SUSE ): 7.7
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
* CVE-2025-55752 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2025-55752 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2025-55754 ( SUSE ): 6.9
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
* CVE-2025-55754 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
* CVE-2025-55754 ( NVD ): 9.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
* CVE-2025-61795 ( SUSE ): 6.0
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2025-61795 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
* CVE-2025-61795 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
* CVE-2025-66614 ( SUSE ): 8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
* CVE-2025-66614 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
* CVE-2025-66614 ( NVD ): 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
* CVE-2025-66614 ( NVD ): 7.6 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L
* CVE-2026-24733 ( SUSE ): 6.3
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
* CVE-2026-24733 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
* CVE-2026-24733 ( NVD ): 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
* CVE-2026-24733 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
* CVE-2026-24734 ( SUSE ): 6.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
* CVE-2026-24734 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
* CVE-2026-24734 ( NVD ): 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected Products:
* SUSE Linux Enterprise Server - BCI 16.0
An update that solves six vulnerabilities and has one fix can now be installed.
## Description:
This update for tomcat10 fixes the following issues:
Update to Tomcat 10.1.52:
* CVE-2025-55752: directory traversal via rewrite with possible RCE if PUT is
enabled (bsc#1252753).
* CVE-2025-55754: Improper Neutralization of Escape, Meta, or Control
Sequences vulnerability in Apache Tomcat (bsc#1252905).
* CVE-2025-61795: temporary copies during the processing of multipart upload
can lead to a denial of service (bsc#1252756).
* CVE-2025-66614: client certificate verification bypass due to virtual host
mapping (bsc#1258371).
* CVE-2026-24733: improper input validation on HTTP/0.9 requests
(bsc#1258385).
* CVE-2026-24734: certificate revocation bypass due to incomplete OCSP
verification checks (bsc#1258387).
Changelog:
* Fix: 69623: Additional fix for the long standing regression that meant that
calls to ClassLoader.getResource().getContent() failed when made from within
a web application with resource caching enabled if the target resource was
packaged in a JAR file. (markt)
* Fix: Pull request #923: Avoid adding multiple CSRF tokens to a URL in the
CsrfPreventionFilter. (schultz)
* Fix: 69918: Ensure request parameters are correctly parsed for HTTP/2
requests when the content-length header is not set. (dsoumis)
* Update: Enable minimum and recommended Tomcat Native versions to be set
separately for Tomcat Native 1.x and 2.x. Update the minimum and recommended
versions for Tomcat Native 1.x to 1.3.4. Update the minimum and recommended
versions for Tomcat Native 2.x to 2.0.12. (markt)
* Add: Add a new ssoReauthenticationMode to the Tomcat provided Authenticators
that provides a per Authenticator override of the SSO Valve
requireReauthentication attribute. (markt)
* Fix: Ensure URL encoding errors in the Rewrite Valve trigger an exception
rather than silently using a replacement character. (markt)
* Fix: 69932: Fix request end access log pattern regression, which would log
the start time of the request instead. (remm)
* Fix: 69871: Increase log level to INFO for missing configuration for the
rewrite valve. (remm)
* Fix: Add log warnings for additional Host appBase suspicious values. (remm)
* Fix: Remove hard dependency on tomcat-jni.jar for catalina.jar.
org.apache.catalina.Connector no longer requires
org.apache.tomcat.jni.AprStatus to be present. (markt)
* Add: Add the ability to use a custom function to generate the client
identifier in the CrawlerSessionManagerValve. This is only available
programmatically. Pull request #902 by Brian Matzon. (markt)
* Fix: Change the SSO reauthentication behaviour for SPNEGO authentication so
that a normal SPNEGO authentication is performed if the SSL Valve is
configured with reauthentication enabled. This is so that the delegated
credentials will be available to the web application. (markt)
* Fix: When generating the class path in the Loader, re-order the check on
individual class path components to avoid a potential NullPointerException.
Identified by Coverity Scan. (markt)
* Fix: Fix SSL socket factory configuration in the JNDI realm. Based on pull
request #915 by Joshua Rogers. (remm)
* Update: Add an attribute, digestInRfc3112Order, to
MessageDigestCredentialHandler to control the order in which the credential
and salt are digested. By default, the current, non-RFC 3112 compliant,
order of salt then credential will be used. This default will change in
Tomcat 12 to the RFC 3112 compliant order of credential then salt. (markt)
* Fix: Log warnings when the SSO configuration does not comply with the
documentation. (remm)
* Update: Deprecate the RemoteAddrFilter and RemoteAddrValve in favour of the
RemoteCIDRFilter and RemoteCIDRValve. (markt)
* Fix: 69837: Fix corruption of the class path generated by the Loader when
running on Windows. (markt)
* Fix: Reject requests that map to invalid Windows file names earlier. (markt)
* Fix: 69839: Ensure that changes to session IDs (typically after
authentication) are promulgated to the SSO Valve to ensure that SSO entries
are fully clean-up on session expiration. Patch provided by Kim Johan
Andersson. (markt)
* Fix: Fix a race condition in the creation of the storage location for the
FileStore. (markt)
* Cluster
* Add: 62814: Document that human-readable names may be used for
mapSendOptions and align documentation with channelSendOptions. Based on
pull request #929 by archan0621. (markt)
* Clustering
* Fix: Correct a regression introduced in 10.1.45 that broke some clustering
configurations. (markt)
* Coyote
* Fix: 69936: Fix bug in previous fix for Tomcat Native crashes on shutdown
that triggered a significant memory leak. Patch provided by Wes. (markt)
* Fix: Avoid possible NPEs when using a TLS enabled custom connector. (remm)
* Fix: Improve warnings when setting ciphers lists in the FFM code, mirroring
the tomcat-native changes. (remm)
* Fix: 69910: Dereference TLS objects right after closing a socket to improve
memory efficiency. (remm)
* Fix: Relax the JSSE vs OpenSSL configuration style checks on SSLHostConfig
to reflect the existing implementation that allows one configuration style
to be used for the trust attributes and a different style for all the other
attributes. (markt)
* Fix: Better warning message when OpenSSLConf configuration elements are used
with a JSSE TLS implementation. (markt)
* Fix: When using OpenSSL via FFM, don't log a warning about missing CA
certificates unless CA certificates were configured and the configuration
failed. (markt)
* Add: For configuration consistency between OpenSSL and JSSE TLS
implementations, TLSv1.3 cipher suites included in the ciphers attribute of
an SSLHostConfig are now always ignored (previously they would be ignored
with OpenSSL implementations and used with JSSE implementations) and a
warning is logged that the cipher suite has been ignored. (markt)
* Add: Add the ciphersuite attribute to SSLHostConfig to configure the TLSv1.3
cipher suites. (markt)
* Add: Add OCSP support to JSSE based TLS connectors and make the use of OCSP
configurable per connector for both JSSE and OpenSSL based TLS
implementations. Align the checks performed by OpenSSL with those performed
by JSSE. (markt)
* Add: Add support for soft failure of OCSP checks with soft failure support
disabled by default. (markt)
* Add: Add support for configuring the verification flags passed to
OCSP_basic_verify when using an OpenSSL based TLS implementation. (markt)
* Fix: Fix OpenSSL FFM code compatibility with LibreSSL versions below 3.5.
* Fix: Prevent concurrent release of OpenSSLEngine resources and the
termination of the Tomcat Native library as it can cause crashes during
Tomcat shutdown. (markt)
* Fix: Don't log an incorrect certificate KeyStore location when creating a
TLS connector if the KeyStore instance has been set directly on the
connector. (markt)
* Fix: HTTP/0.9 only allows GET as the HTTP method. (remm)
* Add: Add strictSni attribute on the Connector to allow matching the
SSLHostConfig configuration associated with the SNI host name to the
SSLHostConfig configuration matched from the HTTP protocol host name. Non
matching configurations will cause the request to be rejected. The attribute
default value is true, enabling the matching. (remm)
* Fix: Graceful failure for OCSP on BoringSSL in the FFM code. (remm)
* Fix: Fix use of deferAccept attribute in JMX, since it is normally only
removed in Tomcat 11. (remm)
* Fix: 69866: Fix a memory leak when using a trust store with the OpenSSL
provider. Pull request #912 by aogburn. (markt)
* Fix: Fix potential crash on shutdown when a Connector depends on the Tomcat
Native library. (markt)
* Fix: Fix AJP message length check. Pull request #916 by Joshua Rogers.
* Fix: 69848: Fix copy/paste errors in 10.1.47 that meant DELETE requests
received via the AJP connector were processed as OPTIONS requests and
PROPFIND requests were processed as TRACE. (markt)
* Fix: Various OCSP processing issues in the OpenSSL FFM code. (dsoumis)
* General
* Add: Add test.silent property to suppress JUnit console output during test
execution. Useful for cleaner console output when running tests with
multiple threads. (csutherl)
* Jasper
* Fix: 69333: Correct a regression in the previous fix for 69333 and ensure
that reuse() or release() is always called for a tag. (markt)
* Fix: 69877: Catch IllegalArgumentException when processing URIs when
creating the classpath to handle invalid URIs. (remm)
* Fix: Fix populating the classpath with the webapp classloader repositories.
(remm)
* Fix: 69862: Avoid NPE unwrapping Servlet exception which would hide some
exception details. Patch submitted by Eric Blanquer. (remm)
* Jdbc-pool
* Fix: 64083: If the underlying connection has been closed, don't add it to
the pool when it is returned. Pull request #235 by Alex Panchenko. (markt)
* Web applications
* Fix: Manager: Fix abrupt truncation of the HTML and JSON complete server
status output if one or more of the web applications failed to start.
(schultz)
* Add: Manager: Include web application state in the HTML and JSON complete
server status output. (markt)
* Add: Documentation: Expand the documentation to better explain when OCSP is
supported and when it is not. (markt)
* Websocket
* Fix: 69920: When attempting to write to a closed Writer or OutputStream
obtained from a WebSocket session, throw an IOException rather than an
IllegalStateExcpetion as required by Writer and strongly suggested by
OutputStream. (markt)
* Fix: 69845: When using permessage-deflate with Java 25 onwards, handle the
underlying Inflater and/or Deflater throwing IllegalStateException when
closed rather than NullPointerException as they do in Java 24 and earlier.
* Other
* Update: Update the internal fork of Commons Pool to 2.13.1. (markt)
* Update: Update the internal fork of Commons DBCP to 2.14.0. (markt)
* Update: Update Commons Daemon to 1.5.1. (markt)
* Update: Update ByteBuddy to 1.18.3. (markt)
* Update: Update UnboundID to 7.0.4. (markt)
* Update: Update Checkstyle to 12.3.1. (markt)
* Add: Improvements to French translations. (markt)
* Add: Improvements to Japanese translations provided by tak7iji. (markt)
* Add: Improvements to Chinese translations provided by Yang. vincent.h and
yong hu. (markt)
* Update: Update Tomcat Native to 2.0.12. (markt)
* Add: Add property "gpg.sign.files" to optionally disable release artefact
signing with GPG. (rjung)
* Add: Add test profile system for selective test execution. Profiles can be
specified via -Dtest.profile=<name> to run specific test subsets without
using patterns directly. Profile patterns are defined in test-
profiles.properties. (csutherl)
* Update: Update file extension to media type mappings to align with the
current list used by the Apache Web Server (httpd). (markt)
* Update: Update the packaged version of the Tomcat Migration Tool for Jakarta
EE to 1.0.10. (markt)
* Update: Update Commons Daemon to 1.5.0. (markt)
* Update: Update Byte Buddy to 1.18.2. (markt)
* Update: Update Checkstyle to 12.2.0. (markt)
* Add: Improvements to Spanish translations provided by White Vogel. (markt)
* Add: Improvements to French translations. (remm)
* Update: Update the internal fork of Apache Commons BCEL to 6.11.0. (markt)
* Update: Update to Byte Buddy 1.17.8. (markt)
* Update: Update to Checkstyle 12.1.1. (markt)
* Update: Update to Jacoco 0.8.14. (markt)
* Update: Update to SpotBugs 4.9.8. (markt)
* Update: Update to JSign 7.4. (markt)
* Update: Update Maven Resolver Ant Tasks to 1.6.0. (rjung)
Update to Tomcat 10.1.48:
* Update: Deprecate the RemoteAddrFilter and RemoteAddValve in favour of the
RemoteCIDRFilter and RemoteCIDRValve. (markt)
* Fix: HTTP methods are case-sensitive so always use case sensitive
comparisons when comparing HTTP methods. (markt)
* Fix: 69814: Ensure that HttpSession.isNew() returns false once the client
has joined the session. (markt)
* Fix: Further performance improvements for ParameterMap. (jengebr/markt)
* Code: Refactor access log time stamps to be based on the Instant request
processing starts. (markt)
* Fix: Fix a case-sensitivity issue in the trailer header allow list.
* Fix: Be proactive in cleaning up temporary files after a failed multi-part
upload rather than waiting for GC to do it. (markt)
* Update: Change the digest used to calculate strong ETags (if enabled) for
the default Servlet from SHA-1 to SHA-256 to align with the recommendation
in RFC 9110 that hash functions used to generate strong ETags should be
collision resistant. (markt)
* Fix: Correct a regression in the fix for 69781 that broke FileStore.
* Code: Remove a number of unnecessary packages from the catalina-
deployer.jar. (markt)
* Fix: 69781: Fix concurrent access issues in the session FileStore
implementation that were causing lost sessions when the store was used with
the PersistentValve. Based on pull request #882 by Aaron Ogburn.
* Fix: Fix handling of QSA and QSD flags in RewriteValve. (markt)
* Fix: Prevent the channel configuration (sender, receiver, membership
service) from being changed unless the channel is fully stopped. (markt)
* Fix: Handle spurious wake-ups during leader election for
NonBlockingCoordinator. (markt)
* Fix: Handle spurious wake-ups during sending of messages by RpcChannel.
* Update: Add specific certificate selection code for TLS 1.3 supporting post
quantum cryptography. Certificates defined with type MLDSA will be selected
depending on the TLS client hello. (remm)
* Update: Add groups attribute on SSLHostConfig allowing to restrict which
groups can be enabled on the SSL engine. (remm)
* Add: Optimize the conversion of HTTP method from byte form to String form.
* Fix: Store HTTP request headers using the original case for the header name
rather than forcing it to lower case. (markt)
* Update: Add hybrid PQC support to OpenSSL, based on code from mod_ssl. Using
this OpenSSL specific code path, additional PQC certificates defined with
type MLDSA are added to contexts which use classic certificates.
(jfclere/remm)
* Fix: Ensure keys are handed out to OpenSSL even if PEMFile fails to process
it, with appropriate logging. (remm)
* Fix: Add new ML-DSA key algorithm to PEMFile and improve reporting when
reading a key fails. (remm)
* Fix: Fix possible early timeouts for network operations caused by a spurious
wake-up of a waiting thread. Found by Coverity Scan. (markt)
* Fix: Documentation. Clarify the purpose of the maxPostSize attribute of the
Connector element. (markt)
* Fix: Avoid NPE in manager webapp displaying certificate information.
* Update: Update Byte Buddy to 1.17.7. (markt)
* Update: Update Checkstyle to 11.1.0. (markt)
* Update: Update SpotBugs to 4.9.6. (markt)
* Update: Update Jsign to 7.2. (markt)
* Add: Improvements to Russian translations provided by usmazat. (markt)
* Update: Minor refactoring in JULI loggers. Patch provided by minjund.
* Code: Review logging and include the full stack trace and exception message
by default rather then just the exception message when logging an error or
warning in response to an exception. (markt)
* Add: Add escaping to log formatters to align with JSON formatter. (markt)
* Update: Update Checkstyle to 11.0.0. (markt)
## Patch Instructions:
To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
* SUSE Linux Enterprise Server - BCI 16.0
zypper in -t patch SUSE-SLES-16.0-462=1
## Package List:
* SUSE Linux Enterprise Server - BCI 16.0 (noarch)
* tomcat10-admin-webapps-10.1.52-160000.1.1
* tomcat10-jsvc-10.1.52-160000.1.1
* tomcat10-webapps-10.1.52-160000.1.1
* tomcat10-lib-10.1.52-160000.1.1
* tomcat10-10.1.52-160000.1.1
* tomcat10-servlet-6_0-api-10.1.52-160000.1.1
* tomcat10-doc-10.1.52-160000.1.1
* tomcat10-jsp-3_1-api-10.1.52-160000.1.1
* tomcat10-docs-webapp-10.1.52-160000.1.1
* tomcat10-embed-10.1.52-160000.1.1
* tomcat10-el-5_0-api-10.1.52-160000.1.1
## References:
* https://www.suse.com/security/cve/CVE-2025-55752.html
* https://www.suse.com/security/cve/CVE-2025-55754.html
* https://www.suse.com/security/cve/CVE-2025-61795.html
* https://www.suse.com/security/cve/CVE-2025-66614.html
* https://www.suse.com/security/cve/CVE-2026-24733.html
* https://www.suse.com/security/cve/CVE-2026-24734.html
* https://bugzilla.suse.com/show_bug.cgi?id=1252753
* https://bugzilla.suse.com/show_bug.cgi?id=1252756
* https://bugzilla.suse.com/show_bug.cgi?id=1252905
* https://bugzilla.suse.com/show_bug.cgi?id=1253460
* https://bugzilla.suse.com/show_bug.cgi?id=1258371
* https://bugzilla.suse.com/show_bug.cgi?id=1258385
* https://bugzilla.suse.com/show_bug.cgi?id=1258387
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