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Fencer Intel
high 7.5

CVE-2012-0881 in the critical feed json

Denial of service in Apache Xerces2

published 2017-10-30 9 y ago modified 2026-06-16 4 mo ago also GHSA-vmqm-g3vh-847m , EUVD-2020-0517

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
17.5%
EPSS 17.5% chance of exploitation in 30 days, percentile 97%
public exploits
0
none known

Summary

Apache Xerces2 Java Parser before 2.12.0 allows remote attackers to cause a denial of service (CPU consumption) via a crafted message to an XML service, which triggers hash table collisions.

Patch / fix

  • maven xerces:xercesImpl 2.12.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2012-0881 updated cvss 5.0

xml: xerces-j2 hash table collisions CPU usage DoS (oCERT-2011-003)

  • Red Hat Enterprise Linux 5 xerces-j2 Red Hat Enterprise Linux 6 xerces-j2, xerces-j2-demo, xerces-j2-scripts, xerces-j2-javadoc-xni, xerces-j2-javadoc-apis, xerces-j2-javadoc-impl, +1 more Red Hat JBoss Enterprise Web Server 1 xerces-j2
    affected: no fix available

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

17.46% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 7.8 AV:N/AC:L/Au:N/C:N/I:N/A:C
GitHub 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
maven xerces:xercesImpl
<2.12.0
2.12.0

Classification

Weakness
  • CWE-399 Resource Management Errors
  • CWE-400 Uncontrolled Resource Consumption

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.