CVE-2024-8176 - CVE House
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Status published High CVE-2024-8176

Libexpat: expat: improper restriction of xml entity expansion depth in libexpat

Vulnerability Description

A stack overflow vulnerability exists in the libexpat library due to the way it handles recursive entity expansion in XML documents. When parsing an XML document with deeply nested entity references, libexpat can be forced to recurse indefinitely, exhausting the stack space and causing a crash. This issue could lead to denial of service (DoS) or, in some cases, exploitable memory corruption, depending on the environment and library usage.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • This issue was discovered by Jann Horn (Google Project Zero), Sandipan Roy (Red Hat), Sebastian Pipping (libexpat), and Tomas Korbar (Red Hat).

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Affected Vendor

Affected Software

Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On, Red Hat Enterprise Linux 8.4 Telecommunications Update Service, Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions, Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Telecommunications Update Service, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, Red Hat Enterprise Linux 8.8 Extended Update Support, Red Hat Enterprise Linux 8.8 Telecommunications Update Service, Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions, Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions, Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions, Red Hat Enterprise Linux 9.4 Extended Update Support, Red Hat JBoss Core Services 2.4.62.SP1, DevWorkspace Operator 0.33, Red Hat Discovery 1.14, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat OpenShift Container Platform 4
Vulnerable Versions:
0, 0:2.7.1-1.el10_0, 0:2.2.5-17.el8_10, 0:1.51.0-11.el8_10, 0:2.2.10-1.el8_2, 0:1.51.0-5.el8_2.2, 0:2.2.10-1.el8_4, 0:1.51.0-5.el8_4.2, 0:2.2.10-1.el8_6, 0:1.51.0-6.el8_6.1, 0:1.51.0-8.el8_8.1, 0:2.2.10-1.el8_8, 0:2.5.0-3.el9_5.3, 0:2.5.0-5.el9_6, 0:2.2.10-12.el9_0.4, 0:2.5.0-1.el9_2.3, 0:2.5.0-2.el9_4.3, 0.33-1744075017, 1.14.3-1748529279, 1.14.2-1748467619

Timeline

Official Publish: March 14th, 2025
Last Modified: June 29th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

CWE-674

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.