UBUNTU-CVE-2025-48989
An Improper Resource Shutdown or Release vulnerability exists in Apache Tomcat, affecting versions from 11.0.0-M1 through 11.0.9, 10.1.0-M1 through 10.1.43, and 9.0.0-M1 through 9.0.107. This vulnerability is known as the 'made you reset' attack. Users are advised to upgrade to versions 11.0.10, 10.1.44, or 9.0.108 where the issue is fixed.
AI Analysis
Technical Summary
The vulnerability in Apache Tomcat involves improper resource shutdown or release, which can lead to denial of service conditions. The affected versions span multiple major Tomcat branches: 9.0.0-M1 through 9.0.107, 10.1.0-M1 through 10.1.43, and 11.0.0-M1 through 11.0.9. The issue is resolved in versions 9.0.108, 10.1.44, and 11.0.10. The vulnerability is tracked as UBUNTU-CVE-2025-48989 and affects numerous Ubuntu package versions across several LTS and non-LTS releases. There is no indication of active exploitation in the wild. The CVSS vector indicates network attack vector, low attack complexity, no privileges or user interaction required, unchanged scope, no confidentiality or integrity impact, but high availability impact.
Potential Impact
Successful exploitation of this vulnerability can cause denial of service by improper resource shutdown or release in Apache Tomcat, impacting availability. There is no impact on confidentiality or integrity. No known exploits have been reported in the wild.
Mitigation Recommendations
Upgrading Apache Tomcat to versions 11.0.10, 10.1.44, or 9.0.108 or later is recommended to remediate this vulnerability. Users should apply the official patches provided by the Tomcat project or their Linux distribution vendors. Since this is not a cloud service, remediation is the responsibility of the system administrators. No additional mitigations are specified.
UBUNTU-CVE-2025-48989
Description
An Improper Resource Shutdown or Release vulnerability exists in Apache Tomcat, affecting versions from 11.0.0-M1 through 11.0.9, 10.1.0-M1 through 10.1.43, and 9.0.0-M1 through 9.0.107. This vulnerability is known as the 'made you reset' attack. Users are advised to upgrade to versions 11.0.10, 10.1.44, or 9.0.108 where the issue is fixed.
CVSS v3.1
Affected software
pkg:deb/ubuntu/[email protected]+esm3?arch=source&distro=esm-infra-legacy/trustypkg:deb/ubuntu/[email protected]~18.04.3+esm6?arch=source&distro=esm-apps/bionicpkg:deb/ubuntu/[email protected]+esm8?arch=source&distro=esm-apps/bionicpkg:deb/ubuntu/[email protected]+esm3?arch=source&distro=esm-apps/focalpkg:deb/ubuntu/[email protected]+esm4?arch=source&distro=esm-apps/jammypkg:deb/ubuntu/[email protected]~esm4?arch=source&distro=esm-apps/noblepkg:deb/ubuntu/[email protected]?arch=source&distro=questingpkg:deb/ubuntu/[email protected]~26.04.1?arch=source&distro=resolutepkg:deb/ubuntu/[email protected]~26.04.1?arch=source&distro=resoluteRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability in Apache Tomcat involves improper resource shutdown or release, which can lead to denial of service conditions. The affected versions span multiple major Tomcat branches: 9.0.0-M1 through 9.0.107, 10.1.0-M1 through 10.1.43, and 11.0.0-M1 through 11.0.9. The issue is resolved in versions 9.0.108, 10.1.44, and 11.0.10. The vulnerability is tracked as UBUNTU-CVE-2025-48989 and affects numerous Ubuntu package versions across several LTS and non-LTS releases. There is no indication of active exploitation in the wild. The CVSS vector indicates network attack vector, low attack complexity, no privileges or user interaction required, unchanged scope, no confidentiality or integrity impact, but high availability impact.
Potential Impact
Successful exploitation of this vulnerability can cause denial of service by improper resource shutdown or release in Apache Tomcat, impacting availability. There is no impact on confidentiality or integrity. No known exploits have been reported in the wild.
Mitigation Recommendations
Upgrading Apache Tomcat to versions 11.0.10, 10.1.44, or 9.0.108 or later is recommended to remediate this vulnerability. Users should apply the official patches provided by the Tomcat project or their Linux distribution vendors. Since this is not a cloud service, remediation is the responsibility of the system administrators. No additional mitigations are specified.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- UBUNTU-CVE-2025-48989
- Osv Schema Version
- 1.7.0
- Aliases
- []
- Ecosystems
- ["Ubuntu:Pro:14.04:LTS","Ubuntu:Pro:18.04:LTS","Ubuntu:Pro:20.04:LTS","Ubuntu:Pro:22.04:LTS","Ubuntu:Pro:24.04:LTS","Ubuntu:25.10","Ubuntu:26.04:LTS"]
- Database Specific Severity
- null
- Cvss Version
- 3.1
Threat ID: 6a58b50768715ace43db2943
Added to database: 07/16/2026, 10:40:07 UTC
Last enriched: 07/16/2026, 14:15:01 UTC
Last updated: 07/16/2026, 23:03:58 UTC
Views: 3
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