High 7.5Published Feb 27, 2026

CVE-2025-10990Rexml: rexml: denial of service via inefficient regex parsing

Updated under an hour ago (Oct 27, 2026, 4:50 PM ET)

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It affects Red Hat Satellite 6.16 for RHEL 8 and 3 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Red Hat Satellite 6.16 for RHEL 8

Exploited in the last 30 days

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.

CVSS: 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-1333
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: redhat
NVD analysis: Deferred
Record last updated: Jun 25, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Red Hat Red Hat Satellite 6.16 for RHEL 8 redhat:satellite	from 0:8.8.1-3.el8sat not affected	CNA record
Red Hat Red Hat Satellite 6.16 for RHEL 8 redhat:satellite_capsule	from 0:8.8.1-3.el8sat not affected	CNA record
Red Hat Red Hat Satellite 6.16 for RHEL 8 redhat:satellite_utils	from 0:8.8.1-3.el8sat not affected	CNA record
Red Hat Satellite Client 6 for RHEL 8 redhat:rhel_satellite_client	from 0:7.34.0-4.el8sat not affected	CNA record

References

References

https://access.redhat.com/errata/RHSA-2025:17606	vendor-advisory, x-refsource-redhat
https://access.redhat.com/errata/RHSA-2025:17613	vendor-advisory, x-refsource-redhat
https://access.redhat.com/errata/RHSA-2025:17693	vendor-advisory, x-refsource-redhat
https://access.redhat.com/security/cve/CVE-2025-10990	vdb-entry, x-refsource-redhat
https://bugzilla.redhat.com/show_bug.cgi?id=2398216	issue-tracking, x-refsource-redhat
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/

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.