SUSE-SU-2025:02745-1: moderate: Security update for tomcat

[SLE-UPDATES]

# Security update for tomcat

Announcement ID: SUSE-SU-2025:02745-1  
Release Date: 2025-08-11T06:20:12Z  
Rating: moderate  
References:

  * bsc#1246318
  * bsc#1246388

  
Cross-References:

  * CVE-2025-52520
  * CVE-2025-53506

  
CVSS scores:

  * CVE-2025-52520 ( SUSE ):  8.2
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-52520 ( SUSE ):  5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2025-52520 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2025-53506 ( SUSE ):  6.9
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2025-53506 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2025-53506 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

  
Affected Products:

  * SUSE Linux Enterprise Server 12 SP5
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5

  
  
An update that solves two vulnerabilities can now be installed.

## Description:

This update for tomcat fixes the following issues:

  * CVE-2025-52520: Fixed integer overflow can lead to DoS for some unlikely
    configurations of multipart upload (bsc#1246388)
  * CVE-2025-53506: Fixed uncontrolled resource HTTP/2 client consumption
    vulnerability (bsc#1246318)

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".  
Alternatively you can run the command listed for your product:

  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2025-2745=1

## Package List:

  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (noarch)
    * tomcat-lib-9.0.36-3.148.1
    * tomcat-javadoc-9.0.36-3.148.1
    * tomcat-webapps-9.0.36-3.148.1
    * tomcat-admin-webapps-9.0.36-3.148.1
    * tomcat-servlet-4_0-api-9.0.36-3.148.1
    * tomcat-docs-webapp-9.0.36-3.148.1
    * tomcat-el-3_0-api-9.0.36-3.148.1
    * tomcat-jsp-2_3-api-9.0.36-3.148.1
    * tomcat-9.0.36-3.148.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-52520.html
  * https://www.suse.com/security/cve/CVE-2025-53506.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1246318
  * https://bugzilla.suse.com/show_bug.cgi?id=1246388

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