CVE-2025-10990

Rexml: rexml: denial of service via inefficient regex parsing

Published: Feb 27, 2026Updated: Jun 26, 2026 Sources: CVE List NVDCWE-1333

7.5HIGH

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:NConfidentiality

None

I:NIntegrity

None

A:HAvailability

High

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Weaknesses

CWE-1333

Affected Products

Red Hat

commercial·US

Red Hat Satellite 6.16 for RHEL 8On-prem

Operating Systems / linux-distro

Red Hat Satellite 6.16 for RHEL 9On-prem

Operating Systems / linux-distro

Red Hat Satellite 6.17 for RHEL 9On-prem

Operating Systems / linux-distro

Satellite Client 6 for RHEL 8On-prem

Operating Systems / linux-distro

Satellite Client 6 for RHEL 9On-prem

Operating Systems / linux-distro

and 1 more affected products View all →

Exploitability

Workaround Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique

Impact

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References

https://access.redhat.com/errata/RHSA-2025:17606

access.redhat.com

https://access.redhat.com/errata/RHSA-2025:17613

access.redhat.com

https://access.redhat.com/errata/RHSA-2025:17693

access.redhat.com

and 5 more references View all →

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