Red Hat Security Advisory: tomcat security update
Multiple security vulnerabilities affecting Apache Tomcat and Apache Commons FileUpload have been addressed in a Red Hat Enterprise Linux 9 update. 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. The update is rated as important by Red Hat Product Security and affects various Red Hat Enterprise Linux 9 variants and architectures. No CVSS scores are provided in the advisory, but the severity is assessed as high. Users of affected Red Hat Enterprise Linux 9 packages should apply the provided security update to mitigate these vulnerabilities.
AI Analysis
Technical Summary
This Red Hat security advisory (RHSA-2025:14181) addresses seven vulnerabilities in Apache Tomcat and Apache Commons FileUpload components included in Red Hat Enterprise Linux 9. The issues include denial of service vulnerabilities via multipart upload (CVE-2025-48988), HTTP/2 control frames (CVE-2025-48989), and part headers in Apache Commons FileUpload (CVE-2025-48976). Additionally, a security constraint bypass for pre/post-resources (CVE-2025-49125) and multiple other denial of service vulnerabilities (CVE-2025-52434, CVE-2025-52520, CVE-2025-53506) are fixed. The advisory provides updated packages for various architectures and extended update support versions of Red Hat Enterprise Linux 9. No CVSS scores are included, but Red Hat rates the update as important.
Potential Impact
The vulnerabilities collectively allow attackers to cause denial of service conditions in Apache Tomcat through various vectors including multipart uploads, HTTP/2 control frames, and malformed part headers. One vulnerability allows bypassing security constraints related to resource access. These issues could disrupt service availability or potentially allow unauthorized access to resources. The advisory does not report known exploits in the wild.
Mitigation Recommendations
Red Hat has released updated packages for Apache Tomcat and Apache Commons FileUpload as part of Red Hat Enterprise Linux 9 updates. Users should apply these official updates as detailed in the Red Hat advisory RHSA-2025:14181 and the referenced article https://access.redhat.com/articles/11258 to remediate the vulnerabilities. No additional mitigations are specified or required beyond applying the vendor-provided patches.
Red Hat Security Advisory: tomcat security update
Description
Multiple security vulnerabilities affecting Apache Tomcat and Apache Commons FileUpload have been addressed in a Red Hat Enterprise Linux 9 update. 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. The update is rated as important by Red Hat Product Security and affects various Red Hat Enterprise Linux 9 variants and architectures. No CVSS scores are provided in the advisory, but the severity is assessed as high. Users of affected Red Hat Enterprise Linux 9 packages should apply the provided security update to mitigate these vulnerabilities.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This Red Hat security advisory (RHSA-2025:14181) addresses seven vulnerabilities in Apache Tomcat and Apache Commons FileUpload components included in Red Hat Enterprise Linux 9. The issues include denial of service vulnerabilities via multipart upload (CVE-2025-48988), HTTP/2 control frames (CVE-2025-48989), and part headers in Apache Commons FileUpload (CVE-2025-48976). Additionally, a security constraint bypass for pre/post-resources (CVE-2025-49125) and multiple other denial of service vulnerabilities (CVE-2025-52434, CVE-2025-52520, CVE-2025-53506) are fixed. The advisory provides updated packages for various architectures and extended update support versions of Red Hat Enterprise Linux 9. No CVSS scores are included, but Red Hat rates the update as important.
Potential Impact
The vulnerabilities collectively allow attackers to cause denial of service conditions in Apache Tomcat through various vectors including multipart uploads, HTTP/2 control frames, and malformed part headers. One vulnerability allows bypassing security constraints related to resource access. These issues could disrupt service availability or potentially allow unauthorized access to resources. The advisory does not report known exploits in the wild.
Mitigation Recommendations
Red Hat has released updated packages for Apache Tomcat and Apache Commons FileUpload as part of Red Hat Enterprise Linux 9 updates. Users should apply these official updates as detailed in the Red Hat advisory RHSA-2025:14181 and the referenced article https://access.redhat.com/articles/11258 to remediate the vulnerabilities. No additional mitigations are specified or required beyond applying the vendor-provided patches.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2025:14181
- 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: 6a419cb627e9c79719abd57d
Added to database: 06/28/2026, 22:14:14 UTC
Last enriched: 08/04/2026, 15:48:43 UTC
Last updated: 09/10/2026, 19:36:50 UTC
Views: 51
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.