7.1

CVE-2022-23437: Infinite loop within Apache XercesJ xml parser

Modified
AliasesSUSE-SU-2022:0500-1SUSE-SU-2022:0503-1SUSE-SU-2022:0542-1
Published 24-01-2022Last modified 08-10-2026

Vulnerability summary

CVE-2022-23437 is a high (CVSS 7.1) Loop with Unreachable Exit Condition vulnerability in apache software foundation apache xerces. EPSS estimates a 11.62% chance of exploitation in the next 30 days, higher than 96% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 6.5, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.1/10
010
High · v2.0 (NVD)
EPSS score
11.62%
0%100%
Medium · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 7 · Related 5

Timeline

  1. 24-01-2022
    PublishedVulnerability first disclosed.
  2. 08-10-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

11.62%

Chance of exploitation in the next 30 days

Percentile

96%

Versus all other CVEs

30-day change

No change 0.00 pp

From 11.62% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.

Suse37 products
  • xerces-j2&distro=HPE Helion OpenStack 8< 2.8.1-268.9.1
  • xerces-j2&distro=SUSE Enterprise Storage 6< 2.11.0-4.3.1
  • xerces-j2&distro=SUSE Enterprise Storage 7< 2.12.0-3.3.1
  • xerces-j2&distro=SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS< 2.11.0-4.3.1
  • xerces-j2&distro=SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS< 2.11.0-4.3.1
Oracle27 products
Opensuse2 products
  • xerces-j2&distro=openSUSE Leap 15.3< 2.11.0-4.3.1 | < 2.12.0-3.3.1
  • xerces-j2&distro=openSUSE Tumbleweed< 2.12.2-1.1
Apache1 product
Apache software foundation1 product
Debian1 product
  • libxerces2-java< 2.12.2-1
Netapp1 product
Ubuntu1 product
  • libxerces2-javaAll versions (No fix recorded)
Xerces1 product
  • xercesImpl< 2.12.2

9 vendors · 72 products

References

20 links
Show all 20 references