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CVE-2022-23852

9.8 critical exploit SSVC exploitation: none Modified
NVD · CVE.org

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

Fix

Public exploits 1

Each line links to the index that lists it, never to exploit code. Exploit-DB's "verified" and a Metasploit rank of good or better count as verified; a PoC-in-GitHub entry is a repository's claim.

Patch, vendor advisory and mitigation references on NVD 2

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 9.8 · libexpat_project, netapp, tenableNVD modified 2026-10-14 16:17

Affected (CPE criteria) 7

  • cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:*
  • cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:*
  • cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:*
  • cpe:2.3:a:tenable:nessus:*:*:*:*:*:*:*:*
  • cpe:2.3:a:oracle:communications_metasolv_solution:6.3.1:*:*:*:*:*:*:*
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:sinema_remote_connect_server:*:*:*:*:*:*:*:*

References 18