CVE-2005-4866

Stack-based buffer overflow in JDBC Applet Server in IBM DB2 8.1 allows remote attackers to execute arbitrary by connecting and sending a long username, then disconnecting gracefully and reconnecting and sending a short username and an unexpected db2java.zip version, which causes a null terminator to be removed and leads to the overflow.

Published: 2005-12-31 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2005-4866 is rated Moderate Risk (56.3/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.76%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2005-4866

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-25 1.69% 1.76% +0.07%
2 2025-12-21 1.59% 1.69% +0.11%
3 2025-03-30 — 1.59% —

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-4866

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.6 6.4 [email protected]

Weakness enumeration for CVE-2005-4866

Affected software / configurations for CVE-2005-4866

Vendor Product Version Raw CPE
ibm db2_universal_database 7.0 cpe:2.3:a:ibm:db2_universal_database:7.0:*:aix:*:*:*:*:*
ibm db2_universal_database 7.0 cpe:2.3:a:ibm:db2_universal_database:7.0:*:hp-ux:*:*:*:*:*
ibm db2_universal_database 7.0 cpe:2.3:a:ibm:db2_universal_database:7.0:*:linux:*:*:*:*:*
ibm db2_universal_database 7.0 cpe:2.3:a:ibm:db2_universal_database:7.0:*:solaris:*:*:*:*:*
ibm db2_universal_database 7.1 cpe:2.3:a:ibm:db2_universal_database:7.1:*:aix:*:*:*:*:*
ibm db2_universal_database 7.1 cpe:2.3:a:ibm:db2_universal_database:7.1:*:hp-ux:*:*:*:*:*
ibm db2_universal_database 7.1 cpe:2.3:a:ibm:db2_universal_database:7.1:*:linux:*:*:*:*:*
ibm db2_universal_database 7.1 cpe:2.3:a:ibm:db2_universal_database:7.1:*:solaris:*:*:*:*:*
ibm db2_universal_database 7.1 cpe:2.3:a:ibm:db2_universal_database:7.1:*:windows:*:*:*:*:*
ibm db2_universal_database 7.2 cpe:2.3:a:ibm:db2_universal_database:7.2:*:aix:*:*:*:*:*
ibm db2_universal_database 7.2 cpe:2.3:a:ibm:db2_universal_database:7.2:*:hp-ux:*:*:*:*:*
ibm db2_universal_database 7.2 cpe:2.3:a:ibm:db2_universal_database:7.2:*:linux:*:*:*:*:*
ibm db2_universal_database 7.2 cpe:2.3:a:ibm:db2_universal_database:7.2:*:solaris:*:*:*:*:*
ibm db2_universal_database 7.2 cpe:2.3:a:ibm:db2_universal_database:7.2:*:windows:*:*:*:*:*
ibm db2_universal_database 8.0 cpe:2.3:a:ibm:db2_universal_database:8.0:*:aix:*:*:*:*:*
ibm db2_universal_database 8.0 cpe:2.3:a:ibm:db2_universal_database:8.0:*:hp-ux:*:*:*:*:*
ibm db2_universal_database 8.0 cpe:2.3:a:ibm:db2_universal_database:8.0:*:linux:*:*:*:*:*
ibm db2_universal_database 8.0 cpe:2.3:a:ibm:db2_universal_database:8.0:*:solaris:*:*:*:*:*
ibm db2_universal_database 8.0 cpe:2.3:a:ibm:db2_universal_database:8.0:*:windows:*:*:*:*:*
ibm db2_universal_database 8.1 cpe:2.3:a:ibm:db2_universal_database:8.1:*:aix:*:*:*:*:*
ibm db2_universal_database 8.1 cpe:2.3:a:ibm:db2_universal_database:8.1:*:hp_ux:*:*:*:*:*
ibm db2_universal_database 8.1 cpe:2.3:a:ibm:db2_universal_database:8.1:*:linux:*:*:*:*:*
ibm db2_universal_database 8.1 cpe:2.3:a:ibm:db2_universal_database:8.1:*:solaris:*:*:*:*:*
ibm db2_universal_database 8.1 cpe:2.3:a:ibm:db2_universal_database:8.1:*:windows:*:*:*:*:*

References for CVE-2005-4866

cvelogic Threat Intelligence