Amazon Linux 2 Security Advisory: ALAS2TOMCAT9-2024-012
Advisory Released Date: 2024-03-18
Advisory Updated Date: 2025-06-19
Improper Input Validation vulnerability in Apache Tomcat.Tomcat from 11.0.0-M1 through 11.0.0-M10, from 10.1.0-M1 through 10.1.15, from 9.0.0-M1 through 9.0.82 and from 8.5.0 through 8.5.95 did not correctly parse HTTP trailer headers. A trailer header that exceeded the header size limit could cause Tomcat to treat a single
request as multiple requests leading to the possibility of request
smuggling when behind a reverse proxy.
Users are recommended to upgrade to version 11.0.0-M11 onwards, 10.1.16 onwards, 9.0.83 onwards or 8.5.96 onwards, which fix the issue. (CVE-2023-46589)
Affected Packages:
tomcat
Note:
This advisory is applicable to Amazon Linux 2 - Tomcat9 Extra. Visit this page to learn more about Amazon Linux 2 (AL2) Extras and this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update tomcat to update your system.
noarch:
tomcat-9.0.83-1.amzn2.0.1.noarch
tomcat-admin-webapps-9.0.83-1.amzn2.0.1.noarch
tomcat-docs-webapp-9.0.83-1.amzn2.0.1.noarch
tomcat-jsvc-9.0.83-1.amzn2.0.1.noarch
tomcat-jsp-2.3-api-9.0.83-1.amzn2.0.1.noarch
tomcat-lib-9.0.83-1.amzn2.0.1.noarch
tomcat-servlet-4.0-api-9.0.83-1.amzn2.0.1.noarch
tomcat-el-3.0-api-9.0.83-1.amzn2.0.1.noarch
tomcat-webapps-9.0.83-1.amzn2.0.1.noarch
src:
tomcat-9.0.83-1.amzn2.0.1.src
2024-06-19: The severity of this advisory has been changed from important to medium.
2024-06-19: CVE-2023-45648 was removed from this advisory