Amazon Linux 2 Security Advisory: ALAS2-2025-2953
Advisory Released Date: 2025-08-04
Advisory Updated Date: 2025-08-04
Severity:
Important
Issue Overview:
For some unlikely configurations of multipart upload, an Integer Overflow vulnerability in Apache Tomcat could lead to a DoS via bypassing of size limits.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.8, from 10.1.0-M1 through 10.1.42, from 9.0.0.M1 through 9.0.106.
Users are recommended to upgrade to version 11.0.9, 10.1.43 or 9.0.107, which fix the issue. (CVE-2025-52520)
Affected Packages:
tomcat
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update tomcat or yum update --advisory ALAS2-2025-2953 to update your system.
New Packages:
noarch:
tomcat-7.0.76-10.amzn2.0.14.noarch
tomcat-admin-webapps-7.0.76-10.amzn2.0.14.noarch
tomcat-docs-webapp-7.0.76-10.amzn2.0.14.noarch
tomcat-javadoc-7.0.76-10.amzn2.0.14.noarch
tomcat-jsvc-7.0.76-10.amzn2.0.14.noarch
tomcat-jsp-2.2-api-7.0.76-10.amzn2.0.14.noarch
tomcat-lib-7.0.76-10.amzn2.0.14.noarch
tomcat-servlet-3.0-api-7.0.76-10.amzn2.0.14.noarch
tomcat-el-2.2-api-7.0.76-10.amzn2.0.14.noarch
tomcat-webapps-7.0.76-10.amzn2.0.14.noarch
src:
tomcat-7.0.76-10.amzn2.0.14.src