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CVE-2009-3876

17
FAUCET Score

CVE-2009-3876 describes an unspecified denial-of-service vulnerability in multiple versions of Sun Java SE, JDK, and JRE, affecting products on Linux and Microsoft platforms. This flaw allows remote attackers to exhaust system memory by providing malformed DER encoded data that is improperly parsed by the ASN.1 DER input stream. With a CVSS score of 5.0 (AV:N/AC:L/Au:N/C:N/I:N/A:P), it is a medium-severity vulnerability that is easily exploitable over the network without authentication, leading to a partial availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.5.0CPE matchmatch criteria
cpe:2.3:a:sun:jdk:1.5.0:update1:*:*:*:*:*:*
1.5.0CPE matchmatch criteria
cpe:2.3:a:sun:jdk:1.5.0:update10:*:*:*:*:*:*
1.5.0CPE matchmatch criteria
cpe:2.3:a:sun:jdk:1.5.0:update11:*:*:*:*:*:*
1.5.0CPE matchmatch criteria
cpe:2.3:a:sun:jdk:1.5.0:update11_b03:*:*:*:*:*:*
1.5.0CPE matchmatch criteria
cpe:2.3:a:sun:jdk:1.5.0:update12:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.41%
Probability of exploitation in next 30 days
EPSS Percentile
87.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0341 is in the 83rd 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 (16)

redhatpatch availablevia redhat_api
Product: Extras for RHEL 3Fixed in: java-1.4.2-ibm-0:1.4.2.13.3-1jpp.1.el3
View patch
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: Extras for RHEL 4Fixed in: java-1.5.0-sun-0:1.5.0.22-1jpp.1.el4
View patch
redhatpatch availablevia redhat_api
Product: Extras for RHEL 4Fixed in: java-1.4.2-ibm-0:1.4.2.13.3-1jpp.1.el4
View patch
redhatpatch availablevia redhat_api
Product: Extras for RHEL 4Fixed in: java-1.5.0-ibm-1:1.5.0.11-1jpp.1.el4
View patch
redhatpatch availablevia redhat_api
Product: Extras for RHEL 4Fixed in: java-1.6.0-ibm-1:1.6.0.7-1jpp.3.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: java-1.6.0-openjdk-1:1.6.0.0-1.7.b09.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Network Satellite Server v 5.1Fixed in: java-1.5.0-sun-0:1.5.0.22-1jpp.1.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Network Satellite Server v 5.3Fixed in: java-1.6.0-ibm-1:1.6.0.7-1jpp.3.el4
View patch
redhatpatch availablevia redhat_api
Product: RHEL 4 for SAPFixed in: java-1.4.2-ibm-0:1.4.2.13.2.sap-1jpp.4.el4_8
View patch
redhatpatch availablevia redhat_api
Product: RHEL 5 for SAPFixed in: java-1.4.2-ibm-0:1.4.2.13.2.sap-1jpp.4.el5_3
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
redhatpatch availablevia redhat_api
Product: Supplementary for Red Hat Enterprise Linux 5Fixed in: java-1.5.0-sun-0:1.5.0.22-1jpp.1.el5
View patch
redhatpatch availablevia redhat_api
Product: Supplementary for Red Hat Enterprise Linux 5Fixed in: java-1.4.2-ibm-0:1.4.2.13.3-1jpp.1.el5
View patch
redhatpatch availablevia redhat_api
Product: Supplementary for Red Hat Enterprise Linux 5Fixed in: java-1.5.0-ibm-1:1.5.0.11-1jpp.1.el5
View patch
redhatpatch availablevia redhat_api
Product: Supplementary for Red Hat Enterprise Linux 5Fixed in: java-1.6.0-ibm-1:1.6.0.7-1jpp.2.el5
View patch

Vendor Advisories (1)

redhatCVE-2009-3876Moderate

OpenJDK ASN.1/DER input stream parser denial of service (6864911) CVE-2009-3877

Nov 3, 2009

References

java.sun.com / javase/6/webnotes/6u17.html
lists.opensuse.org / opensuse-security-announce/2009-11/msg00010.html
marc.info
marc.info
marc.info
secunia.com / advisories/37231
Vendor Advisory
secunia.com / advisories/37239
secunia.com / advisories/37386
secunia.com / advisories/37841
security.gentoo.org / glsa/glsa-200911-02.xml
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10328
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11934
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6805
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8608
sunsolve.sun.com / search/document.do
PatchVendor Advisory
mandriva.com / security/advisories
oracle.com / technetwork/topics/security/cpujan2010-084891.html
redhat.com / support/errata/RHSA-2009-1694.html
securityfocus.com / bid/36881
vupen.com / english/advisories/2009/3131
Vendor Advisory