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CVE-2012-0881

33
FAUCET Score

CVE-2012-0881 describes a denial-of-service vulnerability in Apache Xerces2 Java Parser versions prior to 2.12.0. This flaw allows remote attackers to consume excessive CPU resources by sending specially crafted XML messages that trigger hash table collisions. With a CVSS score of 7.5 (HIGH), this vulnerability is easily exploitable over the network with low attack complexity, leading to a complete denial of service. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.11.0CPE matchmatch criteria
cpe:2.3:a:apache:xerces2_java:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
17.46%
Probability of exploitation in next 30 days
EPSS Percentile
96.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.1746 is in the 95th percentile among its peer group of 51,466 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

mavenpatch availablevia ghsa
Product: xerces:xercesImplFixed in: 2.12.0
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: xerces-j2
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: xerces-j2
redhatno patchvia redhat_api
Product: Red Hat JBoss Enterprise Web Server 1Fixed in: xerces-j2

Vendor Advisories (2)

mavenGHSA-vmqm-g3vh-847mhigh

Denial of service in Apache Xerces2

Jun 15, 2020
redhatCVE-2012-0881Moderate

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

Jul 8, 2014

References

bugzilla.redhat.com / show_bug.cgi
Issue Tracking
issues.apache.org / jira/browse/XERCESJ-1685
Issue TrackingPatchVendor Advisory
lists.apache.org / thread.html/49dc6702104a86ecbb40292dcd329ce9ae4c32b74733199ecab14a73%40%3Cj-users.xerces.apache.org%3E
lists.apache.org / thread.html/519eb0fd45642dcecd9ff74cb3e71c20a4753f7d82e2f07864b5108f%40%3Cdev.drill.apache.org%3E
lists.apache.org / thread.html/708d94141126eac03011144a971a6411fcac16d9c248d1d535a39451%40%3Csolr-user.lucene.apache.org%3E
lists.apache.org / thread.html/b0656d359c7d40ec9f39c8cc61bca66802ef9a2a12ee199f5b0c1442%40%3Cdev.drill.apache.org%3E
lists.apache.org / thread.html/f9bc3e55f4e28d1dcd1a69aae6d53e609a758e34d2869b4d798e13cc%40%3Cissues.drill.apache.org%3E
lists.apache.org / thread.html/r204ba2a9ea750f38d789d2bb429cc0925ad6133deea7cbc3001d96b5%40%3Csolr-user.lucene.apache.org%3E
lists.apache.org / thread.html/rea7b831dceeb2a2fa817be6f63b08722042e3647fb2d47c144370a56%40%3Ccommon-issues.hadoop.apache.org%3E
oracle.com / /security-alerts/cpujul2021.html
openwall.com / lists/oss-security/2014/07/08/11
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