Red Hat Security Advisory: tomcat security update
Multiple security vulnerabilities affecting Apache Tomcat and Apache Commons FileUpload components in Red Hat Enterprise Linux 9.4 Extended Update Support have been addressed. These include denial of service (DoS) issues in multipart upload handling, HTTP/2 control frames, and part headers, as well as a security constraint bypass vulnerability. Red Hat has released an important security update to remediate these issues.
AI Analysis
Technical Summary
This advisory covers seven security vulnerabilities in Apache Tomcat and Apache Commons FileUpload, including CVE-2025-48976 (DoS via part headers), CVE-2025-48988 (DoS in multipart upload), CVE-2025-48989 (HTTP/2 "MadeYouReset" DoS attack), CVE-2025-49125 (security constraint bypass for pre/post-resources), and three additional denial of service vulnerabilities (CVE-2025-52434, CVE-2025-52520, CVE-2025-53506). These vulnerabilities affect Red Hat Enterprise Linux 9.4 Extended Update Support versions of Tomcat. The update fixes these issues by patching the affected packages to version 9.0.87-1.el9_4.6.
Potential Impact
The vulnerabilities primarily allow denial of service attacks and a security constraint bypass, which could disrupt service availability or bypass security restrictions in affected Apache Tomcat deployments. No known exploits in the wild have been reported. The overall security impact is rated as Important by Red Hat.
Mitigation Recommendations
Red Hat has released updated Tomcat packages (version 9.0.87-1.el9_4.6) for Red Hat Enterprise Linux 9.4 Extended Update Support that address these vulnerabilities. Users should apply these official updates promptly. For detailed update instructions, refer to Red Hat's advisory and article at https://access.redhat.com/articles/11258. No additional mitigations or workarounds are specified by the vendor.
Red Hat Security Advisory: tomcat security update
Description
Multiple security vulnerabilities affecting Apache Tomcat and Apache Commons FileUpload components in Red Hat Enterprise Linux 9.4 Extended Update Support have been addressed. These include denial of service (DoS) issues in multipart upload handling, HTTP/2 control frames, and part headers, as well as a security constraint bypass vulnerability. Red Hat has released an important security update to remediate these issues.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This advisory covers seven security vulnerabilities in Apache Tomcat and Apache Commons FileUpload, including CVE-2025-48976 (DoS via part headers), CVE-2025-48988 (DoS in multipart upload), CVE-2025-48989 (HTTP/2 "MadeYouReset" DoS attack), CVE-2025-49125 (security constraint bypass for pre/post-resources), and three additional denial of service vulnerabilities (CVE-2025-52434, CVE-2025-52520, CVE-2025-53506). These vulnerabilities affect Red Hat Enterprise Linux 9.4 Extended Update Support versions of Tomcat. The update fixes these issues by patching the affected packages to version 9.0.87-1.el9_4.6.
Potential Impact
The vulnerabilities primarily allow denial of service attacks and a security constraint bypass, which could disrupt service availability or bypass security restrictions in affected Apache Tomcat deployments. No known exploits in the wild have been reported. The overall security impact is rated as Important by Red Hat.
Mitigation Recommendations
Red Hat has released updated Tomcat packages (version 9.0.87-1.el9_4.6) for Red Hat Enterprise Linux 9.4 Extended Update Support that address these vulnerabilities. Users should apply these official updates promptly. For detailed update instructions, refer to Red Hat's advisory and article at https://access.redhat.com/articles/11258. No additional mitigations or workarounds are specified by the vendor.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2025:14180
- 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: 6a419cb627e9c79719abd589
Added to database: 06/28/2026, 22:14:14 UTC
Last enriched: 08/04/2026, 15:49:06 UTC
Last updated: 09/10/2026, 19:36:50 UTC
Views: 80
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