CVE-2025-10990
Rexml: rexml: denial of service via inefficient regex parsing
- State
- Published
- Severity
- 7.5 High
- Published
- Feb 27, 2026
- Updated
- Jun 25, 2026
- Reserved
- Sep 25, 2025
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | redhat |
Weaknesses
- CWE-1333 Inefficient Regular Expression Complexity
Affected Products
| Product | Versions |
|---|---|
Red Hat Satellite |
|
Red Hat Satellite 6.16 for RHEL 8Red Hat |
|
Red Hat Satellite 6.16 for RHEL 8Red Hat |
|
Red Hat Satellite 6.16 for RHEL 9Red Hat |
|
Red Hat Satellite 6.16 for RHEL 9Red Hat |
|
Red Hat Satellite 6.17 for RHEL 9Red Hat |
|
Red Hat Satellite 6.17 for RHEL 9Red Hat |
|
Satellite Client 6 for RHEL 8Red Hat |
|
Satellite Client 6 for RHEL 9Red Hat |
|
References
- RHSA-2025:17606vendor-advisory
- RHSA-2025:17613vendor-advisory
- RHSA-2025:17693vendor-advisory
- https://access.redhat.com/security/cve/CVE-2025-10990vdb-entry
- RHBZ#2398216issue-tracking
- https://github.com/ruby/rexml/commit/ce59f2eb1aeb371fe1643414f06618dbe031979f
- https://github.com/ruby/rexml/security/advisories/GHSA-2rxp-v6pw-ch6m
- https://www.ruby-lang.org/en/news/2024/10/28/redos-rexml-cve-2024-49761/
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