CVE-2009-1093: n/a vulnerability

CVE-2009-1093: LdapCtx in the LDAP service in Java SE Development Kit (JDK) and Java Runtime Environment (JRE) 5.0 Update...

LdapCtx in the LDAP service in Java SE Development Kit (JDK) and Java Runtime Environment (JRE) 5.0 Update 17 and earlier; 6 Update 12 and earlier; SDK and JRE 1.3.1_24 and earlier; and 1.4.2_19 and earlier does not close the connection when initialization fails, which allows remote attackers to cause a denial of service (LDAP service hang).

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 04:57 UTC (UTC+00:00)

Security readout for executives and security teams

This flaw can let a remote attacker make affected Java LDAP handling hang, causing denial of service. The affected software is very old Java/JDK/JRE releases, so the main business risk is legacy systems or bundled Java runtimes still running in production. Exposure is most likely in legacy Java applications, appliances, or vendor products using affected JDK/JRE versions and LDAP/JNDI functionality. Modern supported Java runtimes are less likely to be affected, but bundled runtimes need separate verification. Prioritize where old Java supports externally reachable authentication, directory lookup, or business-critical workflows. This is an availability issue, not confirmed remote code execution, but legacy exposure can still disrupt operations. Mitigation focus: Inventory Java runtimes, including embedded or vendor-bundled copies.; Prioritize replacement of affected JDK/JRE versions with supported vendor-fixed releases.; Check applicable OS, appliance, and application vendor advisories for specific update packages..

Prepared: Jun 28, 2026, 11:04 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Mar 25, 2009, 23:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

5Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
RHSA-2009:1198CVE reference · vendor-advisory, x_refsource_REDHAT
RHSA-2009:0377CVE reference · vendor-advisory, x_refsource_REDHAT
oval:org.mitre.oval:def:11343CVE reference · vdb-entry, signature
oval:org.mitre.oval:def:6676CVE reference · vdb-entry, signature

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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