CVE-2025-52520

Aliases:GHSA-wr62-c79q-cv37BIT-tomcat-2025-52520
Advisory lineage Upstream: 0 Downstream: 23
Modified
Published: 10 Jul 2025, 19:05
Last modified:04 Nov 2025, 21:11

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
v3.1 (cve.org)
EPSS Score
0.68% LOW
1% probability +0.57%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

10 Jul 2025, 19:05
Published
Vulnerability first disclosed
04 Nov 2025, 21:11
Last Modified
Vulnerability information updated

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 11.0.9, 10.1.43 or 9.0.107, which fix the issue.

CVSS Metrics

  • v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 0.68%• Percentile: 72%

Techniques & Countermeasures

  • CWE-190•Integer Overflow or Wraparound

    The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.

Affected Systems

  • apache software foundation•apache tomcat

    ≥ 11.0.0-M1, ≤ 11.0.8 | ≥ 10.1.0-M1, ≤ 10.1.42 | ≥ 9.0.0.M1, ≤ 9.0.106 | ≥ 8.5.0, ≤ 8.5.100

  • Unknown•Tomcat

    ≥ 9.0.0, < 9.0.107 | ≥ 10.1.0, < 10.1.43 | ≥ 11.0.0, < 11.0.9

  • org.apache.tomcat•tomcat-catalina

    ≥ 11.0.0-M1, < 11.0.9 | ≥ 10.1.0-M1, < 10.1.43 | ≥ 9.0.0.M1, < 9.0.107 | ≥ 8.5.0, ≤ 8.5.100

  • org.apache.tomcat.embed•tomcat-embed-core

    ≥ 11.0.0-M1, < 11.0.9 | ≥ 10.1.0-M1, < 10.1.43 | ≥ 9.0.0.M1, < 9.0.107 | ≥ 8.5.0, ≤ 8.5.100

References (8)