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CVE-2019-17639

21
FAUCET Score

CVE-2019-17639 affects Eclipse OpenJ9 versions prior to 0.21 on Power platforms. It describes a vulnerability where specific System.arraycopy calls with oversized lengths can cause premature method returns with undefined values. This is a medium severity vulnerability (CVSS 5.3) with a network attack vector and low complexity, potentially leading to information disclosure (C:L). There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.20.0CPE matchmatch criteria
cpe:2.3:a:eclipse:openj9:*:*:*:*:*:*:*:*
0.21.0CPE matchmatch criteria
cpe:2.3:a:eclipse:openj9:0.21.0:-:*:*:*:*:*:*
0.21.0CPE matchmatch criteria
cpe:2.3:a:eclipse:openj9:0.21.0:milestone1:*:*:*:*:*:*
0.21.0CPE matchmatch criteria
cpe:2.3:a:eclipse:openj9:0.21.0:milestone2:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.50%
Probability of exploitation in next 30 days
EPSS Percentile
71.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0150 is in the 54th percentile among its peer group of 23,723 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (5)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6 SupplementaryFixed in: java-1.7.1-ibm-1:1.7.1.4.70-1jpp.1.el6_10
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7 SupplementaryFixed in: java-1.7.1-ibm-1:1.7.1.4.70-1jpp.1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7 SupplementaryFixed in: java-1.8.0-ibm-1:1.8.0.6.20-1jpp.1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: java-1.8.0-ibm-1:1.8.0.6.15-1.el8_2
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: java-1.8.0-ibm

Vendor Advisories (1)

redhatCVE-2019-17639Moderate

JDK: Information disclosure via calls to System.arraycopy() with invalid length

Aug 5, 2020

References

bugs.eclipse.org / bugs/show_bug.cgi
Vendor Advisory