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CVE-2018-11761

29
FAUCET Score

CVE-2018-11761 is a denial-of-service vulnerability affecting Apache Tika versions 0.1 to 1.18, as well as Apache and Oracle Business Process Management Suite products that integrate Tika. The vulnerability, rated High (CVSS 7.5), stems from improperly configured XML parsers that allow for excessive entity expansion. This flaw can be exploited remotely with low complexity, potentially leading to a denial of service. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 0.1, <= 1.18CPE matchmatch criteria
cpe:2.3:a:apache:tika:*:*:*:*:*:*:*:*
12.1.3.0.0CPE matchmatch criteria
cpe:2.3:a:oracle:business_process_management_suite:12.1.3.0.0:*:*:*:*:*:*:*
12.2.1.3.0CPE matchmatch criteria
cpe:2.3:a:oracle:business_process_management_suite:12.2.1.3.0:*:*:*:*:*:*:*

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
9.63%
Probability of exploitation in next 30 days
EPSS Percentile
95.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0964 is in the 92nd percentile among its peer group of 51,455 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 (9)

mavenpatch availablevia ghsa
Product: org.apache.tika:tika-coreFixed in: 1.19.1
oraclepatch availablevia nvd_reference
View patch
redhatend of lifevia redhat_api
Product: Red Hat BPM Suite 6Fixed in: tika-core
redhatend of lifevia redhat_api
Product: Red Hat JBoss BRMS 5Fixed in: tika-core
redhatend of lifevia redhat_api
Product: Red Hat JBoss BRMS 6Fixed in: tika-core
redhatend of lifevia redhat_api
Product: Red Hat JBoss Data Virtualization 6Fixed in: tika-core
redhatend of lifevia redhat_api
Product: Red Hat JBoss Fuse Service Works 6Fixed in: tika-core
redhatend of lifevia redhat_api
Product: Red Hat Satellite 5Fixed in: tika
redhatend of lifevia redhat_api
Product: Red Hat Software CollectionsFixed in: rh-eclipse46-tika

Vendor Advisories (2)

mavenGHSA-6jq2-789q-fff2high

High severity vulnerability that affects org.apache.tika:tika-core

Oct 17, 2018
redhatCVE-2018-11761Moderate

tika: XML entity expansion vulnerability due to lack of limit configuration

Sep 19, 2018

References

lists.apache.org / thread.html/5553e10bba5604117967466618f219c0cae710075819c70cfb3fb421%40%3Cdev.tika.apache.org%3E
lists.apache.org / thread.html/708d94141126eac03011144a971a6411fcac16d9c248d1d535a39451%40%3Csolr-user.lucene.apache.org%3E
oracle.com / technetwork/security-advisory/cpuapr2019-5072813.html
PatchThird Party Advisory
securityfocus.com / bid/105514
Third Party AdvisoryVDB Entry