Vulnerability · Published Jun 16, 2025 · Assigned by apache

CVE-2025-48988Apache Tomcat: FileUpload large number of parts with headers DoS

High 7.5

In plain English

A high-severity resource allocation without limits in Apache Tomcat from Apache Software Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 30.4% (higher than 98% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)30.4%top 1.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC

Official description

Allocation of Resources Without Limits or Throttling vulnerability in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.7, from 10.1.0-M1 through 10.1.41, from 9.0.0.M1 through 9.0.105. The following versions were EOL at the time the CVE was created but are known to be affected: 8.5.0 though 8.5.100. Other, older, EOL versions may also be affected. Users are recommended to upgrade to version 11.0.8, 10.1.42 or 9.0.106, which fix the issue.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8tomcat1:9.0.87-1.el8_10.6ALSA-2025:14177
AlmaLinux:9tomcat1:9.0.87-3.el9_6.3ALSA-2025:14181
AlmaLinux:8tomcat-admin-webapps1:9.0.87-1.el8_10.6ALSA-2025:14177
AlmaLinux:9tomcat-admin-webapps1:9.0.87-3.el9_6.3ALSA-2025:14181
AlmaLinux:8tomcat-docs-webapp1:9.0.87-1.el8_10.6ALSA-2025:14177
AlmaLinux:9tomcat-docs-webapp1:9.0.87-3.el9_6.3ALSA-2025:14181
AlmaLinux:8tomcat-el-3.0-api1:9.0.87-1.el8_10.6ALSA-2025:14177
AlmaLinux:9tomcat-el-3.0-api1:9.0.87-3.el9_6.3ALSA-2025:14181
AlmaLinux:8tomcat-jsp-2.3-api1:9.0.87-1.el8_10.6ALSA-2025:14177
AlmaLinux:9tomcat-jsp-2.3-api1:9.0.87-3.el9_6.3ALSA-2025:14181
AlmaLinux:8tomcat-lib1:9.0.87-1.el8_10.6ALSA-2025:14177
AlmaLinux:9tomcat-lib1:9.0.87-3.el9_6.3ALSA-2025:14181
AlmaLinux:8tomcat-servlet-4.0-api1:9.0.87-1.el8_10.6ALSA-2025:14177
AlmaLinux:9tomcat-servlet-4.0-api1:9.0.87-3.el9_6.3ALSA-2025:14181
AlmaLinux:8tomcat-webapps1:9.0.87-1.el8_10.6ALSA-2025:14177
AlmaLinux:9tomcat-webapps1:9.0.87-3.el9_6.3ALSA-2025:14181
AlmaLinux:10tomcat91:9.0.87-5.el10_0.3ALSA-2025:14178
AlmaLinux:10tomcat9-admin-webapps1:9.0.87-5.el10_0.3ALSA-2025:14178
AlmaLinux:10tomcat9-docs-webapp1:9.0.87-5.el10_0.3ALSA-2025:14178
AlmaLinux:10tomcat9-el-3.0-api1:9.0.87-5.el10_0.3ALSA-2025:14178
AlmaLinux:10tomcat9-jsp-2.3-api1:9.0.87-5.el10_0.3ALSA-2025:14178
AlmaLinux:10tomcat9-lib1:9.0.87-5.el10_0.3ALSA-2025:14178
AlmaLinux:10tomcat9-servlet-4.0-api1:9.0.87-5.el10_0.3ALSA-2025:14178
AlmaLinux:10tomcat9-webapps1:9.0.87-5.el10_0.3ALSA-2025:14178
Debian:12tomcat1010.1.52-1~deb12u1DEBIAN-CVE-2025-48988
Debian:12tomcat1010.1.52-1~deb12u1DSA-6120-1
Debian:13tomcat1010.1.52-1~deb13u1DEBIAN-CVE-2025-48988
Debian:13tomcat1010.1.52-1~deb13u1DSA-6120-1
Debian:14tomcat1010.1.46-1DEBIAN-CVE-2025-48988
Debian:13tomcat1111.0.15-1~deb13u1DSA-6121-1
Debian:13tomcat1111.0.15-1~deb13u1DEBIAN-CVE-2025-48988
Debian:14tomcat1111.0.11-1DEBIAN-CVE-2025-48988
Debian:12tomcat99.0.70-2DEBIAN-CVE-2025-48988
Debian:13tomcat99.0.70-2DEBIAN-CVE-2025-48988
Debian:14tomcat99.0.70-2DEBIAN-CVE-2025-48988
Mavenorg.apache.tomcat.embed:tomcat-embed-core11.0.8GHSA-h3gc-qfqq-6h8f
Mavenorg.apache.tomcat.embed:tomcat-embed-core10.1.42GHSA-h3gc-qfqq-6h8f
Mavenorg.apache.tomcat.embed:tomcat-embed-core9.0.106GHSA-h3gc-qfqq-6h8f
Mavenorg.apache.tomcat.embed:tomcat-embed-coreno fix listedGHSA-h3gc-qfqq-6h8f
Mavenorg.apache.tomcat:tomcat-catalina11.0.8GHSA-h3gc-qfqq-6h8f
Mavenorg.apache.tomcat:tomcat-catalina10.1.42GHSA-h3gc-qfqq-6h8f
Mavenorg.apache.tomcat:tomcat-catalina9.0.106GHSA-h3gc-qfqq-6h8f
Mavenorg.apache.tomcat:tomcat-catalinano fix listedGHSA-h3gc-qfqq-6h8f
Rocky Linux:10tomcat1:10.1.36-1.el10_0.2RLSA-2025:14179
Rocky Linux:8tomcat1:9.0.87-1.el8_10.6RLSA-2025:14177
Rocky Linux:9tomcat1:9.0.87-3.el9_6.3RLSA-2025:14181
Rocky Linux:10tomcat91:9.0.87-5.el10_0.3RLSA-2025:14178
Ubuntu:24.04:LTStomcat10no fix listedUBUNTU-CVE-2025-48988
Ubuntu:25.10tomcat10no fix listedUBUNTU-CVE-2025-48988
Ubuntu:26.04:LTStomcat10no fix listedUBUNTU-CVE-2025-48988
Ubuntu:26.10tomcat10no fix listedUBUNTU-CVE-2025-48988
Ubuntu:25.10tomcat11no fix listedUBUNTU-CVE-2025-48988
Ubuntu:26.04:LTStomcat11no fix listedUBUNTU-CVE-2025-48988

Affected products (as reported)

VendorProductVersions
Apache Software Foundation Apache Tomcat 11.0.0-M1 – through 11.0.710.1.0-M1 – through 10.1.419.0.0.M1 – through 9.0.1058.5.0 – through 8.5.100

Weakness: CWE-770 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References