Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2009-1093

17
FAUCET Score

CVE-2009-1093 describes a denial-of-service vulnerability in the LDAP service of various Java SE Development Kit (JDK), Java Runtime Environment (JRE), and SDK versions. Specifically, the LdapCtx component fails to close connections when initialization fails, leading to a service hang. This vulnerability has a CVSS score of 5.0, indicating a medium severity, and can be exploited remotely with low attack complexity, resulting in a partial denial of service. 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:*:update17:*:*:*:*:*:*
<= 1.6.0CPE matchmatch criteria
cpe:2.3:a:sun:jdk:*:update_12:*:*:*:*:*:*
1.5.0CPE matchmatch criteria
cpe:2.3:a:sun:jdk:1.5.0:*:*:*:*:*:*:*
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:*:*:*:*:*:*

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
3.38%
Probability of exploitation in next 30 days
EPSS Percentile
87.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0338 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 (11)

redhatpatch availablevia redhat_api
Product: Extras for RHEL 4Fixed in: java-1.6.0-sun-1:1.6.0.13-1jpp.1.el4
View patch
redhatpatch availablevia redhat_api
Product: Extras for RHEL 4Fixed in: java-1.5.0-sun-0:1.5.0.18-1jpp.1.el4
View patch
redhatpatch availablevia redhat_api
Product: Extras for RHEL 4Fixed in: java-1.5.0-ibm-1:1.5.0.9-1jpp.5.el4
View patch
redhatpatch availablevia redhat_api
Product: Extras for RHEL 4Fixed in: java-1.6.0-ibm-1:1.6.0.5-1jpp.1.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: java-1.6.0-openjdk-1:1.6.0.0-0.30.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: Supplementary for Red Hat Enterprise Linux 5Fixed in: java-1.6.0-sun-1:1.6.0.13-1jpp.1.el5
View patch
redhatpatch availablevia redhat_api
Product: Supplementary for Red Hat Enterprise Linux 5Fixed in: java-1.5.0-sun-0:1.5.0.18-1jpp.1.el5
View patch
redhatpatch availablevia redhat_api
Product: Supplementary for Red Hat Enterprise Linux 5Fixed in: java-1.5.0-ibm-1:1.5.0.9-1jpp.3.el5
View patch
redhatpatch availablevia redhat_api
Product: Supplementary for Red Hat Enterprise Linux 5Fixed in: java-1.6.0-ibm-1:1.6.0.5-1jpp.1.el5
View patch

Vendor Advisories (1)

redhatCVE-2009-1093Important

OpenJDK remote LDAP Denial-Of-Service (6717680)

Mar 25, 2009

References

h20000.www2.hp.com / bizsupport/TechSupport/Document.jsp
lists.opensuse.org / opensuse-security-announce/2009-04/msg00001.html
lists.opensuse.org / opensuse-security-announce/2009-05/msg00003.html
lists.opensuse.org / opensuse-security-announce/2009-06/msg00003.html
lists.opensuse.org / opensuse-security-announce/2009-07/msg00001.html
marc.info
secunia.com / advisories/34489
secunia.com / advisories/34495
secunia.com / advisories/34496
secunia.com / advisories/34632
secunia.com / advisories/34675
secunia.com / advisories/35156
secunia.com / advisories/35223
secunia.com / advisories/35255
secunia.com / advisories/35416
secunia.com / advisories/35776
secunia.com / advisories/36185
secunia.com / advisories/37386
secunia.com / advisories/37460
security.gentoo.org / glsa/glsa-200911-02.xml
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11343
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6676
rhn.redhat.com / errata/RHSA-2009-0377.html
rhn.redhat.com / errata/RHSA-2009-1198.html
sunsolve.sun.com / search/document.do
Patch
sunsolve.sun.com / search/document.do
PatchVendor Advisory
support.avaya.com / elmodocs2/security/ASA-2009-108.htm
support.avaya.com / elmodocs2/security/ASA-2009-109.htm
debian.org / security/2009/dsa-1769
mandriva.com / security/advisories
mandriva.com / security/advisories
oracle.com / technetwork/topics/security/cpujul2009-091332.html
redhat.com / support/errata/RHSA-2009-0392.html
redhat.com / support/errata/RHSA-2009-0394.html
redhat.com / support/errata/RHSA-2009-1038.html
securityfocus.com / archive/1/507985/100/0/threaded
securityfocus.com / bid/34240
securitytracker.com / id
ubuntu.com / usn/usn-748-1
vmware.com / security/advisories/VMSA-2009-0016.html
vupen.com / english/advisories/2009/1426
vupen.com / english/advisories/2009/3316