CVE-2026-45205
Publication date 14 May 2026
Last updated 21 May 2026
Ubuntu priority
Description
Uncontrolled Recursion vulnerability in Apache Commons. When processing an untrusted configuration file, Commons Configuration will throw a StackOverflowError for YAML input with cycles. This issue affects Apache Commons: from 2.2 before 2.15.0. Users are recommended to upgrade to version 2.15.0, which fixes the issue.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| commons-configuration | 26.04 LTS resolute |
Needs evaluation
|
| 25.10 questing |
Needs evaluation
|
|
| 24.04 LTS noble |
Needs evaluation
|
|
| 22.04 LTS jammy |
Needs evaluation
|
|
| 20.04 LTS focal |
Needs evaluation
|
|
| 18.04 LTS bionic |
Needs evaluation
|
|
| 14.04 LTS trusty |
Needs evaluation
|
|
| commons-configuration2 | 26.04 LTS resolute |
Needs evaluation
|
| 25.10 questing |
Needs evaluation
|
|
| 24.04 LTS noble |
Needs evaluation
|
|
| 22.04 LTS jammy |
Needs evaluation
|
|
| 20.04 LTS focal |
Needs evaluation
|
|
| 18.04 LTS bionic |
Needs evaluation
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
5.3 · Medium
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | Low |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
References
Other references
- https://www.cve.org/CVERecord?id=CVE-2026-45205
- https://www.openwall.com/lists/oss-security/2026/05/14/5
- https://github.com/apache/commons-configuration/pull/634
- https://github.com/apache/commons-configuration/commit/b51f6bf26e774f3416fdf782a5e1edf33f32ba82 (commons-configuration-2.15.0-RC1)
- https://lists.apache.org/thread/q3q3j10ohcqhs6o0rg1v7kz6kk27vtkk
- http://www.openwall.com/lists/oss-security/2026/05/14/5