Red Hat Security Advisory: tomcat9 security update

Fixed packages 8

Vulnerabilities 7

• High 7.5
  CVE-2025-48976 Public exploit EPSS 34%

  Apache Commons FileUpload, Apache Commons FileUpload: FileUpload DoS via part headers

  Allocation of resources for multipart headers with insufficient limits enabled a DoS vulnerability in Apache Commons FileUpload. This issue affects Apache Commons FileUpload: from 1.0 before 1.6; from 2.0.0-M1 before 2.0.0-M4. Users are recommended to upgrade…

  Apache Software Foundation Apache Commons FileUpload tomcat9 tomcat9 Debian Ubuntu Wolfi Maven
  Jun 16, 2025
• High 7.5
  CVE-2025-48988 Public exploit EPSS 31%

  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-M1 through 11.0.7, from 10.1.0-M1 through 10.1.41, from 9.0.0.M1 through 9.0.105. The following versions were EOL at the time th…

  Apache Software Foundation Apache Tomcat thingsboard-tb-node thingsboard-tb-mqtt-transport Debian Ubuntu Wolfi Maven
  Jun 16, 2025
• High 7.5
  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,…

  Apache Software Foundation Apache Tomcat tomcat8 tomcat9 Debian Ubuntu Maven
  Aug 13, 2025
• High 7.5
  CVE-2025-49125 Public exploit

  Apache Tomcat: Security constraint bypass for pre/post-resources

  Authentication Bypass Using an Alternate Path or Channel vulnerability in Apache Tomcat.  When using PreResources or PostResources mounted other than at the root of the web application, it was possible to access those resources via an unexpected path. That pa…

  Apache Software Foundation Apache Tomcat thingsboard-tb-node thingsboard-tb-mqtt-transport Debian Ubuntu Wolfi Maven
  Jun 16, 2025
• High 7.5
  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 aff…

  Apache Software Foundation Apache Tomcat tomcat9 tomcat8 Debian Ubuntu Maven
  Jul 10, 2025
• High 7.5
  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.…

  Apache Software Foundation Apache Tomcat tomcat8 tomcat9 Debian Ubuntu Maven
  Jul 10, 2025
• High 7.5
  CVE-2025-53506

  Apache Tomcat: DoS via excessive h2 streams at connection start

  Uncontrolled Resource Consumption vulnerability in Apache Tomcat if an HTTP/2 client did not acknowledge the initial settings frame that reduces the maximum permitted concurrent streams. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.8, from 10…

  Apache Software Foundation Apache Tomcat tomcat9 tomcat8 Debian Ubuntu Wolfi Maven
  Jul 10, 2025

References

• article
  https://access.redhat.com/security/updates/classification/#important
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2373015
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2373018
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2373020
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2373309
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2379374
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2379382
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2379386
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_14178.json
• report
  https://access.redhat.com/security/cve/CVE-2025-48976
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-48976
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-48976
• article
  https://lists.apache.org/thread/fbs3wrr3p67vkjcxogqqqqz45pqtso12
• article
  https://lists.apache.org/thread/w7dbnfyqn1yc05kbqqbbyct7wbomv7lf
• report
  https://access.redhat.com/security/cve/CVE-2025-48988
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-48988
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-48988
• article
  https://lists.apache.org/thread/nzkqsok8t42qofgqfmck536mtyzygp18
• report
  https://access.redhat.com/security/cve/CVE-2025-48989
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-48989
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-48989
• article
  https://kb.cert.org/vuls/id/767506
• article
  https://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.1.44
• report
  https://access.redhat.com/security/cve/CVE-2025-49125
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-49125
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-49125
• article
  https://lists.apache.org/thread/m66cytbfrty9k7dc4cg6tl1czhsnbywk
• report
  https://access.redhat.com/security/cve/CVE-2025-52434
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-52434
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-52434
• article
  https://lists.apache.org/thread/gxgh65004f25y8519coth6w7vchww030
• report
  https://access.redhat.com/security/cve/CVE-2025-52520
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-52520
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-52520
• article
  https://lists.apache.org/thread/trqq01bbxw6c92zx69kx2mw2qgmfy0o5
• report
  https://access.redhat.com/security/cve/CVE-2025-53506
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-53506
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-53506
• article
  https://lists.apache.org/thread/p09775q0rd185m6zz98krg0fp45j8kr0