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TI-2025-32628 Aliases CVE-2025-52520GHSA-wr62-c79q-cv37

Apache Tomcat: DoS via integer overflow in multipart file upload

Priority MEDIUM 43CWE-190Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 15 fixed, 4 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-190 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.02198 82nd percentileScored 2026-11-07
Fix Partial org.apache.tomcat:tomcat-catalina (Maven): 11.0.9, 10.1.43, 9.0.107org.apache.tomcat.embed:tomcat-embed-core (Maven): 11.0.9, 10.1.43, 9.0.107Red Hat: 11 advisoriesRed Hat: 15 fixed, 4 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ApacheApache Tomcat11.0.0-M1 – 11.0.8; 10.1.0-M1 – 10.1.42; 9.0.0.M1 – 9.0.106; 8.5.0 – 8.5.100—No fix listedCNA
—org.apache.tomcat:tomcat-catalina (Maven)11.0.0-M1 to before 11.0.911.0.9Patch availableGHSA-wr62-c79q-cv37
—org.apache.tomcat:tomcat-catalina (Maven)10.1.0-M1 to before 10.1.4310.1.43Patch availableGHSA-wr62-c79q-cv37
—org.apache.tomcat:tomcat-catalina (Maven)9.0.0.M1 to before 9.0.1079.0.107Patch availableGHSA-wr62-c79q-cv37
—org.apache.tomcat:tomcat-catalina (Maven)8.5.0 – 8.5.100—No fix listedGHSA-wr62-c79q-cv37
—org.apache.tomcat.embed:tomcat-embed-core (Maven)11.0.0-M1 to before 11.0.911.0.9Patch availableGHSA-wr62-c79q-cv37
—org.apache.tomcat.embed:tomcat-embed-core (Maven)10.1.0-M1 to before 10.1.4310.1.43Patch availableGHSA-wr62-c79q-cv37
—org.apache.tomcat.embed:tomcat-embed-core (Maven)9.0.0.M1 to before 9.0.1079.0.107Patch availableGHSA-wr62-c79q-cv37
—org.apache.tomcat.embed:tomcat-embed-core (Maven)8.5.0 – 8.5.100—No fix listedGHSA-wr62-c79q-cv37
  • Apache Tomcat VendorApache Affected 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 Fixed in — No fix listed CNA
  • org.apache.tomcat:tomcat-catalina (Maven) Vendor— Affected 11.0.0-M1 to before 11.0.9 Fixed in 11.0.9 Patch available GHSA-wr62-c79q-cv37
  • org.apache.tomcat:tomcat-catalina (Maven) Vendor— Affected 10.1.0-M1 to before 10.1.43 Fixed in 10.1.43 Patch available GHSA-wr62-c79q-cv37
  • org.apache.tomcat:tomcat-catalina (Maven) Vendor— Affected 9.0.0.M1 to before 9.0.107 Fixed in 9.0.107 Patch available GHSA-wr62-c79q-cv37
  • org.apache.tomcat:tomcat-catalina (Maven) Vendor— Affected 8.5.0 – 8.5.100 Fixed in — No fix listed GHSA-wr62-c79q-cv37
  • org.apache.tomcat.embed:tomcat-embed-core (Maven) Vendor— Affected 11.0.0-M1 to before 11.0.9 Fixed in 11.0.9 Patch available GHSA-wr62-c79q-cv37
  • org.apache.tomcat.embed:tomcat-embed-core (Maven) Vendor— Affected 10.1.0-M1 to before 10.1.43 Fixed in 10.1.43 Patch available GHSA-wr62-c79q-cv37
  • org.apache.tomcat.embed:tomcat-embed-core (Maven) Vendor— Affected 9.0.0.M1 to before 9.0.107 Fixed in 9.0.107 Patch available GHSA-wr62-c79q-cv37
  • org.apache.tomcat.embed:tomcat-embed-core (Maven) Vendor— Affected 8.5.0 – 8.5.100 Fixed in — No fix listed GHSA-wr62-c79q-cv37

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*9.0.0 to before 9.0.107; 10.1.0 to before 10.1.43; 11.0.0 to before 11.0.9VulnerableApache
  • cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* Versions 9.0.0 to before 9.0.107; 10.1.0 to before 10.1.43; 11.0.0 to before 11.0.9 Vulnerable ·Apache

Remediation

  • Fix · GHSA-wr62-c79q-cv37 org.apache.tomcat:tomcat-catalina (Maven) Fixed in 11.0.9 Advisory →
  • Fix · GHSA-wr62-c79q-cv37 org.apache.tomcat:tomcat-catalina (Maven) Fixed in 10.1.43 Advisory →
  • Fix · GHSA-wr62-c79q-cv37 org.apache.tomcat:tomcat-catalina (Maven) Fixed in 9.0.107 Advisory →
  • Fix · GHSA-wr62-c79q-cv37 org.apache.tomcat.embed:tomcat-embed-core (Maven) Fixed in 11.0.9 Advisory →
  • Fix · GHSA-wr62-c79q-cv37 org.apache.tomcat.embed:tomcat-embed-core (Maven) Fixed in 10.1.43 Advisory →
  • Fix · GHSA-wr62-c79q-cv37 org.apache.tomcat.embed:tomcat-embed-core (Maven) Fixed in 9.0.107 Advisory →

Red Hat 11 advisories

  • RHSA-2025:14180 Released 2025-08-20 · Red Hat rating Important
    tomcat security update
    • Red Hat Enterprise Linux AppStream EUS (v.9.4) tomcat-1:9.0.87-1.el9_4.6, tomcat-admin-webapps-1:9.0.87-1.el9_4.6, tomcat-docs-webapp-1:9.0.87-1.el9_4.6 +5
  • RHSA-2025:14181 Released 2025-08-20 · Red Hat rating Important
    tomcat security update
    • Red Hat Enterprise Linux AppStream (v. 9) tomcat-1:9.0.87-3.el9_6.3, tomcat-admin-webapps-1:9.0.87-3.el9_6.3, tomcat-docs-webapp-1:9.0.87-3.el9_6.3 +5
  • RHSA-2025:14183 Released 2025-08-20 · Red Hat rating Important
    tomcat security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.2) tomcat-1:9.0.87-1.el9_2.6, tomcat-admin-webapps-1:9.0.87-1.el9_2.6, tomcat-docs-webapp-1:9.0.87-1.el9_2.6 +5
Show 8 more Red Hat advisories
  • RHSA-2025:14177 Released 2025-08-20 · Red Hat rating Important
    tomcat security update
    • Red Hat Enterprise Linux AppStream (v. 8) tomcat-1:9.0.87-1.el8_10.6, tomcat-admin-webapps-1:9.0.87-1.el8_10.6, tomcat-docs-webapp-1:9.0.87-1.el8_10.6 +5
  • RHSA-2025:14182 Released 2025-08-20 · Red Hat rating Important
    tomcat security update
    • Red Hat Enterprise Linux AppStream E4S (v.8.8) tomcat-1:9.0.87-1.el8_8.7, tomcat-admin-webapps-1:9.0.87-1.el8_8.7, tomcat-docs-webapp-1:9.0.87-1.el8_8.7 +5
    • Red Hat Enterprise Linux AppStream TUS (v.8.8) tomcat-1:9.0.87-1.el8_8.7, tomcat-admin-webapps-1:9.0.87-1.el8_8.7, tomcat-docs-webapp-1:9.0.87-1.el8_8.7 +5
  • RHSA-2025:14179 Released 2025-08-20 · Red Hat rating Important
    tomcat security update
    • Red Hat Enterprise Linux AppStream (v. 10) tomcat-1:10.1.36-1.el10_0.2, tomcat-admin-webapps-1:10.1.36-1.el10_0.2, tomcat-docs-webapp-1:10.1.36-1.el10_0.2 +5
  • RHSA-2025:14178 Released 2025-08-20 · Red Hat rating Important
    tomcat9 security update
    • Red Hat Enterprise Linux AppStream (v. 10) tomcat9-1:9.0.87-5.el10_0.3, tomcat9-admin-webapps-1:9.0.87-5.el10_0.3, tomcat9-docs-webapp-1:9.0.87-5.el10_0.3 +5
  • RHSA-2025:13685 Released 2025-08-13 · Red Hat rating Important
    Red Hat JBoss Web Server 6.1.2 release and security update
    • Red Hat JBoss Web Server 6.1 for RHEL 10 jws6-tomcat-10.1.36-8.redhat_00009.1.el10jws, jws6-tomcat-admin-webapps-10.1.36-8.redhat_00009.1.el10jws, jws6-tomcat-docs-webapp-10.1.36-8.redhat_00009.1.el10jws +7
    • Red Hat JBoss Web Server 6.1 for RHEL 8 jws6-tomcat-10.1.36-8.redhat_00009.1.el8jws, jws6-tomcat-admin-webapps-10.1.36-8.redhat_00009.1.el8jws, jws6-tomcat-docs-webapp-10.1.36-8.redhat_00009.1.el8jws +7
    • Red Hat JBoss Web Server 6.1 for RHEL 9 jws6-tomcat-10.1.36-8.redhat_00009.1.el9jws, jws6-tomcat-admin-webapps-10.1.36-8.redhat_00009.1.el9jws, jws6-tomcat-docs-webapp-10.1.36-8.redhat_00009.1.el9jws +7
  • RHSA-2025:13686 Released 2025-08-13 · Red Hat rating Important
    Red Hat JBoss Web Server 6.1.2 release and security update
    • Red Hat JBoss Web Server 6.1.2
  • RHSA-2025:11696 Released 2025-07-28 · Red Hat rating Moderate
    Red Hat JBoss Web Server 5.8.5 release and security update
    • Red Hat JBoss Web Server 5.8.5
  • RHSA-2025:11695 Released 2025-07-28 · Red Hat rating Moderate
    Red Hat JBoss Web Server 5.8.5 release and security update
    • Red Hat JBoss Web Server 5.8 for RHEL 7 Server jws5-tomcat-9.0.87-12.redhat_00011.1.el7jws, jws5-tomcat-admin-webapps-9.0.87-12.redhat_00011.1.el7jws, jws5-tomcat-docs-webapp-9.0.87-12.redhat_00011.1.el7jws +9
    • Red Hat JBoss Web Server 5.8 for RHEL 8 jws5-tomcat-9.0.87-12.redhat_00011.1.el8jws, jws5-tomcat-admin-webapps-9.0.87-12.redhat_00011.1.el8jws, jws5-tomcat-docs-webapp-9.0.87-12.redhat_00011.1.el8jws +7
    • Red Hat JBoss Web Server 5.8 for RHEL 9 jws5-tomcat-9.0.87-12.redhat_00011.1.el9jws, jws5-tomcat-admin-webapps-9.0.87-12.redhat_00011.1.el9jws, jws5-tomcat-docs-webapp-9.0.87-12.redhat_00011.1.el9jws +7

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Apache Tomcat 8.5.0

    2 records Highest priority Priority MEDIUM 2 MEDIUM

    Other records, highest priority first

    • TI-2025-32571 Apache Tomcat: APR/Native Connector crash leading to DoSPriority MEDIUM 43
    Show all 2 records →

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux 7AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux 8AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux 9AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux AppStream (v. 10)Fixed RHSA-2025:14178, RHSA-2025:14179
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2025:14177
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2025:14181
Red Hat Enterprise Linux AppStream E4S (v.8.8)Fixed RHSA-2025:14182
Red Hat Enterprise Linux AppStream E4S (v.9.2)Fixed RHSA-2025:14183
Red Hat Enterprise Linux AppStream EUS (v.9.4)Fixed RHSA-2025:14180
Red Hat Enterprise Linux AppStream TUS (v.8.8)Fixed RHSA-2025:14182
Red Hat JBoss Web Server 5.8 for RHEL 7 ServerFixed RHSA-2025:11695
Red Hat JBoss Web Server 5.8 for RHEL 8Fixed RHSA-2025:11695
Red Hat JBoss Web Server 5.8 for RHEL 9Fixed RHSA-2025:11695
Red Hat JBoss Web Server 5.8.5Fixed RHSA-2025:11696
Red Hat JBoss Web Server 6.1 for RHEL 10Fixed RHSA-2025:13685
Red Hat JBoss Web Server 6.1 for RHEL 8Fixed RHSA-2025:13685
Red Hat JBoss Web Server 6.1 for RHEL 9Fixed RHSA-2025:13685
Red Hat JBoss Web Server 6.1.2Fixed RHSA-2025:13686

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-52520
  2. 2026-10-03 Alias added: GHSA-wr62-c79q-cv37
  3. 2026-10-09 Fix available: RHSA-2025:13686 · Red Hat
  4. 2026-11-06 Fix available: Red Hat JBoss Web Server 6.1.2 · Red Hat

References

Advisory 2

Other 6

  • TI-2025-18529 Apache Tomcat: Potential RCE and/or information disclosure and/or information corruption with partial PUT KEVCVSS 3.1CRITICAL 10.0
  • TI-2020-01862 Improper privilege management in Apache Tomcat KEVCVSS 3.1CRITICAL 9.8
  • TI-2016-07192 Improper access control in Apache Tomcat KEVCVSS 3.1CRITICAL 9.8
  • TI-2017-09342 Unrestricted file upload in Apache Tomcat KEVCVSS 3.1HIGH 8.1
  • TI-2017-09340 Unrestricted file upload in Apache Tomcat KEVCVSS 3.1HIGH 8.1
  • TI-2026-26741 Apache Tomcat: Fix for CVE-2026-29146 allowed bypass of EncryptInterceptor KEVCVSS 3.1HIGH 7.5
See all 273 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences