Is CVE-2022-23852 actively exploited?

CVE-2022-23852 has no public evidence of in-the-wild exploitation as of 2025-05-05.

What is the CVSS score for CVE-2022-23852?

CVE-2022-23852 has a CVSS score of 9.8 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2022-23852?

Patch guidance is available from libexpat project security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2022-23852.

Fix CVE-2022-23852 - CRITICAL libexpat project libexpat

Q: Which products are affected by CVE-2022-23852?

8 products: libexpat project libexpat, netapp clustered data ontap, netapp oncommand workflow automation, tenable nessus, tenable nessus, and 3 more.

Description

Expat (aka libexpat) before 2.4.4 has a signed integer overflow in XML_GetBuffer, for configurations with a nonzero XML_CONTEXT_BYTES.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-190 · Integer Overflow CWE-190 · Integer Overflow

Metadata

Primary Vendor: LIBEXPAT_PROJECT
Published: 1/24/2022
Last Modified: 5/5/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

libexpat_project : libexpatnetapp : clustered_data_ontapnetapp : oncommand_workflow_automationtenable : nessustenable : nessusoracle : communications_metasolv_solutiondebian : debian_linuxsiemens : sinema_remote_connect_server

Remediation Guidance

Executive Summary

Cite this page

CVE-2022-23852. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2022-23852

View on NIST NVD

CVE-2022-23852 vulnerability