Important: tomcat security update
Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages (JSP) technologies. Security Fix(es): * tomcat: Apache Tomcat DoS in multipart upload (CVE-2025-48988) * tomcat: Apache Tomcat: Security constraint bypass for pre/post-resources (CVE-2025-49125) * apache-commons-fileupload: Apache Commons FileUpload DoS via part headers (CVE-2025-48976) * tomcat: http/2 "MadeYouReset" DoS attack through HTTP/2 control frames (CVE-2025-48989) * tomcat: Apache Tomcat denial of service (CVE-2025-52520) * tomcat: Apache Tomcat denial of service (CVE-2025-52434) * tomcat: Apache Tomcat denial of service (CVE-2025-53506) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages (JSP) technologies. Security Fix(es): * tomcat: Apache Tomcat DoS in multipart upload (CVE-2025-48988) * tomcat: Apache Tomcat: Security constraint bypass for pre/post-resources (CVE-2025-49125) * apache-commons-fileupload: Apache Commons FileUpload DoS via part headers (CVE-2025-48976) * tomcat: http/2 "MadeYouReset" DoS attack through HTTP/2 control frames (CVE-2025-48989) * tomcat: Apache Tomcat denial of service (CVE-2025-52520) * tomcat: Apache Tomcat denial of service (CVE-2025-52434) * tomcat: Apache Tomcat denial of service (CVE-2025-53506) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
05 / REFERENCES
Further evidence
- https://access.redhat.com/errata/RHSA-2025:14181
- https://access.redhat.com/security/cve/CVE-2025-48976
- https://access.redhat.com/security/cve/CVE-2025-48988
- https://access.redhat.com/security/cve/CVE-2025-48989
- https://access.redhat.com/security/cve/CVE-2025-49125
- https://access.redhat.com/security/cve/CVE-2025-52434
- https://access.redhat.com/security/cve/CVE-2025-52520
- https://access.redhat.com/security/cve/CVE-2025-53506
- https://bugzilla.redhat.com/2373015
- https://bugzilla.redhat.com/2373018
- https://bugzilla.redhat.com/2373020
- https://bugzilla.redhat.com/2373309
- https://bugzilla.redhat.com/2379374
- https://bugzilla.redhat.com/2379382
- https://bugzilla.redhat.com/2379386
- https://errata.almalinux.org/9/ALSA-2025-14181.html