Summary
Tomcat is the servlet container that is used in the official Reference Implementation for the Java Servlet and JavaServer Pages technologies. The Java Servlet and JavaServer Pages specifications are developed by Sun under the Java Community Process. Tomcat is developed in an open and participatory environment and released under the Apache Software License version 2.0. Tomcat is intended to be a collaboration of the best-of-breed developers from around the world.
Security Fix(es):
* tomcat: Incomplete fix for CVE-2024-50379 - RCE due to TOCTOU issue in JSP compilation (CVE-2024-56337)
* tomcat: Apache Tomcat: DoS via malformed HTTP/2 PRIORITY_UPDATE frame (CVE-2025-31650)
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.
Fixed packages 8
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux · 10 | tomcat9 | 1:9.0.87-5.el10_0.1 |
| AlmaLinux · 10 | tomcat9-admin-webapps | 1:9.0.87-5.el10_0.1 |
| AlmaLinux · 10 | tomcat9-docs-webapp | 1:9.0.87-5.el10_0.1 |
| AlmaLinux · 10 | tomcat9-el-3.0-api | 1:9.0.87-5.el10_0.1 |
| AlmaLinux · 10 | tomcat9-jsp-2.3-api | 1:9.0.87-5.el10_0.1 |
| AlmaLinux · 10 | tomcat9-lib | 1:9.0.87-5.el10_0.1 |
| AlmaLinux · 10 | tomcat9-servlet-4.0-api | 1:9.0.87-5.el10_0.1 |
| AlmaLinux · 10 | tomcat9-webapps | 1:9.0.87-5.el10_0.1 |
Vulnerabilities 3
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Critical 9.8
Apache Tomcat: RCE due to TOCTOU issue in JSP compilation
Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability during JSP compilation in Apache Tomcat permits an RCE on case insensitive file systems when the default servlet is enabled for write (non-default configuration). This issue affects Apache Tomcat…
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Critical 9.8
Apache Tomcat: RCE due to TOCTOU issue in JSP compilation - CVE-2024-50379 mitigation was incomplete
Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.1, from 10.1.0-M1 through 10.1.33, from 9.0.0.M1 through 9.0.97. The following versions were EOL at the time the CV…
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High 7.5
Apache Tomcat: DoS via malformed HTTP/2 PRIORITY_UPDATE frame
Improper Input Validation vulnerability in Apache Tomcat. Incorrect error handling for some invalid HTTP priority headers resulted in incomplete clean-up of the failed request which created a memory leak. A large number of such requests could trigger an OutOf…
References
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report
https://access.redhat.com/security/cve/CVE-2024-56337
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report
https://access.redhat.com/security/cve/CVE-2025-31650
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report
https://bugzilla.redhat.com/2333521
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report
https://bugzilla.redhat.com/2362783
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advisory
https://errata.almalinux.org/10/ALSA-2025-11332.html
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report
https://www.redhat.com/security/data/cve/CVE-2024-50379.html