CVE-2021-46143 - CVE House
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Status published High CVE-2021-46143

In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3,...

Vulnerability Description

In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize.

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

No credits recorded in the NVD database.

References

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Affected Vendor

libexpat project

View all reports →

Affected Software

libexpat, active iq unified manager, clustered data ontap, hci baseboard management controller, oncommand workflow automation, solidfire \& hci management node, nessus, sinema remote connect server
Vulnerable Versions:
0, h610c, h610s, h615c, 10.0.0

Timeline

Official Publish: January 6th, 2022
Last Modified: May 5th, 2025
Added to House: July 21st, 2026

CVSS Vectors

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

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.