Red Hat Security Advisory: tomcat security update
Multiple denial of service (DoS) vulnerabilities and a security constraint bypass issue have been identified in Apache Tomcat and Apache Commons FileUpload components used in Red Hat Enterprise Linux 9.2 and 10. These vulnerabilities include DoS via multipart upload, HTTP/2 control frames, and part headers, as well as a security constraint bypass affecting pre/post-resources. Red Hat has released security updates addressing these issues for affected versions of Tomcat in Red Hat Enterprise Linux 9.2 and 10.
AI Analysis
Technical Summary
This Red Hat security advisory addresses multiple vulnerabilities in Apache Tomcat and Apache Commons FileUpload, including DoS vulnerabilities (CVE-2025-48988, CVE-2025-48989, CVE-2025-52520, CVE-2025-52434, CVE-2025-53506, CVE-2025-48976) and a security constraint bypass (CVE-2025-49125). The issues involve denial of service attacks via multipart uploads, HTTP/2 control frames, and part headers, as well as bypassing security constraints for pre/post-resources. The advisory covers Red Hat Enterprise Linux versions 9.2 and 10, providing updated Tomcat packages that fix these vulnerabilities. Detailed CVSS scores and impact information are available via the referenced CVE pages. The vendor advisory confirms the availability of patches and provides instructions for applying updates.
Potential Impact
The vulnerabilities allow denial of service attacks against Apache Tomcat servers through various vectors such as multipart uploads, HTTP/2 control frames, and malformed part headers. Additionally, a security constraint bypass could allow unauthorized access to protected resources. These issues can disrupt service availability and potentially expose sensitive resources due to bypassed constraints. The advisory rates the security impact as Important (high severity). No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Red Hat has released updated packages for Apache Tomcat and Apache Commons FileUpload that address these vulnerabilities. Users of Red Hat Enterprise Linux 9.2 and 10 should apply the provided security updates promptly following the guidance in the Red Hat advisory (https://access.redhat.com/articles/11258). The vendor manages remediation through these official patches. No additional mitigations are specified beyond applying the updates.
Red Hat Security Advisory: tomcat security update
Description
Multiple denial of service (DoS) vulnerabilities and a security constraint bypass issue have been identified in Apache Tomcat and Apache Commons FileUpload components used in Red Hat Enterprise Linux 9.2 and 10. These vulnerabilities include DoS via multipart upload, HTTP/2 control frames, and part headers, as well as a security constraint bypass affecting pre/post-resources. Red Hat has released security updates addressing these issues for affected versions of Tomcat in Red Hat Enterprise Linux 9.2 and 10.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This Red Hat security advisory addresses multiple vulnerabilities in Apache Tomcat and Apache Commons FileUpload, including DoS vulnerabilities (CVE-2025-48988, CVE-2025-48989, CVE-2025-52520, CVE-2025-52434, CVE-2025-53506, CVE-2025-48976) and a security constraint bypass (CVE-2025-49125). The issues involve denial of service attacks via multipart uploads, HTTP/2 control frames, and part headers, as well as bypassing security constraints for pre/post-resources. The advisory covers Red Hat Enterprise Linux versions 9.2 and 10, providing updated Tomcat packages that fix these vulnerabilities. Detailed CVSS scores and impact information are available via the referenced CVE pages. The vendor advisory confirms the availability of patches and provides instructions for applying updates.
Potential Impact
The vulnerabilities allow denial of service attacks against Apache Tomcat servers through various vectors such as multipart uploads, HTTP/2 control frames, and malformed part headers. Additionally, a security constraint bypass could allow unauthorized access to protected resources. These issues can disrupt service availability and potentially expose sensitive resources due to bypassed constraints. The advisory rates the security impact as Important (high severity). No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Red Hat has released updated packages for Apache Tomcat and Apache Commons FileUpload that address these vulnerabilities. Users of Red Hat Enterprise Linux 9.2 and 10 should apply the provided security updates promptly following the guidance in the Red Hat advisory (https://access.redhat.com/articles/11258). The vendor manages remediation through these official patches. No additional mitigations are specified beyond applying the updates.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2025:14183
- Cve Count
- 7
- Additional Cves
- ["CVE-2025-48988","CVE-2025-48989","CVE-2025-49125","CVE-2025-52434","CVE-2025-52520","CVE-2025-53506"]
Threat ID: 6a419cb627e9c79719abd565
Added to database: 06/28/2026, 22:14:14 UTC
Last enriched: 08/04/2026, 15:49:51 UTC
Last updated: 09/10/2026, 19:36:50 UTC
Views: 39
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