CVE-2025-10990
Publication date 3 March 2026
Last updated 3 March 2026
Ubuntu priority
Description
A flaw was found in REXML. A remote attacker could exploit inefficient regular expression (regex) parsing when processing hex numeric character references (&#x...;) in XML documents. This could lead to a Regular Expression Denial of Service (ReDoS), impacting the availability of the affected component. This issue is the result of an incomplete fix for CVE-2024-49761.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| ruby2.3 | 25.10 questing | Not in release |
| 24.04 LTS noble | Not in release | |
| 22.04 LTS jammy | Not in release | |
| 16.04 LTS xenial |
Vulnerable, fix deferred
|
|
| ruby2.5 | 25.10 questing | Not in release |
| 24.04 LTS noble | Not in release | |
| 22.04 LTS jammy | Not in release | |
| 18.04 LTS bionic |
Vulnerable, fix deferred
|
|
| ruby2.7 | 25.10 questing | Not in release |
| 24.04 LTS noble | Not in release | |
| 22.04 LTS jammy | Not in release | |
| 20.04 LTS focal |
Vulnerable, fix deferred
|
|
| ruby3.0 | 25.10 questing | Not in release |
| 24.04 LTS noble | Not in release | |
| 22.04 LTS jammy |
Vulnerable, fix deferred
|
|
| ruby3.2 | 25.10 questing | Not in release |
| 24.04 LTS noble |
Vulnerable, fix deferred
|
|
| 22.04 LTS jammy | Not in release | |
| ruby3.3 | 25.10 questing |
Vulnerable, fix deferred
|
| 24.04 LTS noble | Not in release | |
| 22.04 LTS jammy | Not in release | |
| jruby | 25.10 questing |
Vulnerable, fix deferred
|
| 24.04 LTS noble |
Vulnerable, fix deferred
|
|
| 22.04 LTS jammy | Not in release | |
| 20.04 LTS focal |
Vulnerable, fix deferred
|
|
| 18.04 LTS bionic |
Vulnerable, fix deferred
|
|
| 16.04 LTS xenial |
Vulnerable, fix deferred
|
|
| 14.04 LTS trusty |
Vulnerable, fix deferred
|
Notes
mdeslaur
This appears to be a Red Hat specific incomplete fix. Marking as deferred until more information is available.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
7.5 · High
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |