No exploitation reportedFix available

CVE-2012-0881

Q: Is CVE-2012-0881 actively exploited?

Active exploitation of CVE-2012-0881 has not been confirmed. Its EPSS score was 17.5% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2012-0881?

CVE-2012-0881 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

No exploitation reported by the sources we read.

Published2017-10-30
WeaknessCWE-399

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC

2017-10-3016:29CVE publishedNVD
2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2012-0881?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2012-0881?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · OSV

Apache xerces2 java

Branch	Affected	Fixed in	Source
2.11	≤ 2.11.0	no fix published	NVD

xercesImpl

Branch	Affected	Fixed in	Source
2.12	< 2.12.0	2.12.0	OSV

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

issues.apache.orgPatch · Vendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.07.5read 2026-10-23
NVDCVSS 2.07.8read 2026-10-23
NVDweakness (CWE)CWE-399read 2026-10-23
FIRST EPSSEPSS score17.5 %read 2026-10-23
OSVaffected packages—

Technical details

CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published: 2017-10-30
Last Modified: 2026-06-16
NVD status: Modified

Frequently asked questions

What is CVE-2012-0881?

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.

Is CVE-2012-0881 actively exploited?

Active exploitation of CVE-2012-0881 has not been confirmed. Its EPSS score was 17.5% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2012-0881?

CVE-2012-0881 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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