Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2022-23437

CVE-2022-23437MEDIUM

Apache Software Foundation Apache Xerces — Infinite loop within Apache XercesJ xml parser

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   N   R  U  N  N  H    6.5   .1162   96.0     —

AFFECTED
  Product        Versions          Fixed
  Apache Xerces  Apache XercesJ –  —

TIMELINE
  Jan 19  Reserved by apache
  Jan 24  Published (CNA: apache)
  Oct 8   ENRICHED — CVE-2022-23437 (Apache Software Foundation Apache Xerces). Received CVSS 6.5 and CPE data from NVD.

CWE-835 · CNA: apache · CVSS v3.1 · 5 references · NVD status: Modified

Description

There's a vulnerability within the Apache Xerces Java (XercesJ) XML parser when handling specially crafted XML document payloads. This causes, the XercesJ XML parser to wait in an infinite loop, which may sometimes consume system resources for prolonged duration. This vulnerability is present within XercesJ version 2.12.1 and the previous versions.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
January 19, 2022	Reserved	Reserved by apache
January 24, 2022	Published	Published (CNA: apache)
October 8, 2026	ENRICHED	ENRICHED — CVE-2022-23437 (Apache Software Foundation Apache Xerces). Received CVSS 6.5 and CPE data from NVD.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
Apache Software Foundation	Apache Xerces	—	Apache XercesJ	—

Weaknesses

CWE-835

References (5)

http://www.openwall.com/lists/oss-security/2022/01/24/3 [Mailing List, Third Party Advisory]
https://lists.apache.org/thread/6pjwm10bb69kq955fzr1n0nflnjd27dl [Mailing List, Vendor Advisory]
https://security.netapp.com/advisory/ntap-20221028-0005/ [Third Party Advisory]
https://www.oracle.com/security-alerts/cpuapr2022.html [Patch, Third Party Advisory]
https://www.oracle.com/security-alerts/cpujul2022.html [Patch, Third Party Advisory]

Authoritative record: CVE-2022-23437 at cve.org

Vendors: apache

Weaknesses: CWE-835

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2022-23437 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Monday, October 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.