CVE-2025-52520

CWE-190 — Integer Overflow8 documents7 sources
Severity
7.5HIGH
EPSS
0.2%
top 53.77%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Apache TomcatApache Software Foundation Apache Tomcat
Timeline
PublishedJul 10
Latest updateOct 15

Description

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. The following versions were EOL at the time the CVE was created but are known to be affected: 8.5.0 through 8.5.100. Other, older, EOL versions may also be affected. Users are recommended to upgrade to version 11.0…

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages7 packages

▶NVDapache/tomcat9.0.0 — 9.0.107+2
▶Mavenorg.apache.tomcat:tomcat-catalina11.0.0-M1 — 11.0.9+3
▶Mavenorg.apache.tomcat.embed:tomcat-embed-core11.0.0-M1 — 11.0.9+3
▶CVEListV5apache_software_foundation/apache_tomcat11.0.0-M1 — 11.0.8+3
▶Debiantomcat9< 9.0.107-0+deb11u1+3

🔴Vulnerability Details

4
OSV
Apache Tomcat Catalina is vulnerable to DoS attack through bypassing of size limits↗2025-07-10
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CVEList
Apache Tomcat: DoS via integer overflow in multipart file upload↗2025-07-10
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GHSA
Apache Tomcat Catalina is vulnerable to DoS attack through bypassing of size limits↗2025-07-10
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OSV
CVE-2025-52520: For some unlikely configurations of multipart upload, an Integer Overflow vulnerability in Apache Tomcat could lead to a DoS via bypassing of size lim↗2025-07-10
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📋Vendor Advisories

3
Oracle
Oracle Oracle Graph Server and Client Risk Matrix: Install (Apache Tomcat) — CVE-2025-52520↗2025-10-15
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Red Hat
tomcat: Apache Tomcat denial of service↗2025-07-10
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Debian
CVE-2025-52520: tomcat10 - For some unlikely configurations of multipart upload, an Integer Overflow vulner...↗2025
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