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CVE-2009-3886

21
FAUCET Score

CVE-2009-3886 describes a vulnerability in Sun Java SE 6 prior to Update 17, specifically within its Java Web Start implementation, affecting how signed JAR files interact with JNLP applications or applets. This flaw, a regression identified as Bug ID 6870531, has an unspecified impact and attack vectors. With a CVSS score of 7.5, it is considered highly severe, indicating potential for partial compromise of confidentiality, integrity, and availability with low attack complexity and no authentication required. Despite its severity, there is no evidence of active exploitation, public exploit code, or significant community discussion, suggesting it is not a widely targeted vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.6.0CPE matchmatch criteria
cpe:2.3:a:sun:jre:*:update_16:*:*:*:*:*:*
1.6.0CPE matchmatch criteria
cpe:2.3:a:sun:jre:1.6.0:update_1:*:*:*:*:*:*
1.6.0CPE matchmatch criteria
cpe:2.3:a:sun:jre:1.6.0:update_10:*:*:*:*:*:*
1.6.0CPE matchmatch criteria
cpe:2.3:a:sun:jre:1.6.0:update_11:*:*:*:*:*:*
1.6.0CPE matchmatch criteria
cpe:2.3:a:sun:jre:1.6.0:update_12:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.70%
Probability of exploitation in next 30 days
EPSS Percentile
74.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0170 is in the 57th percentile among its peer group of 51,553 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 (2)

redhatpatch availablevia redhat_api
Product: Extras for RHEL 4Fixed in: java-1.6.0-sun-1:1.6.0.17-1jpp.1.el4
View patch
redhatpatch availablevia redhat_api
Product: Supplementary for Red Hat Enterprise Linux 5Fixed in: java-1.6.0-sun-1:1.6.0.17-1jpp.2.el5
View patch

Vendor Advisories (1)

redhatCVE-2009-3886Important

REGRESSION: have problem to run JNLP app and applets with signed Jar files (6870531)

Nov 3, 2009

References

java.sun.com / javase/6/webnotes/6u17.html
Vendor Advisory
bugzilla.redhat.com / show_bug.cgi
secunia.com / advisories/37386
security.gentoo.org / glsa/glsa-200911-02.xml
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6794