CVE-2009-0609 — Sun Java System Directory Proxy Server in Sun Java System Directory Server Enterprise Edition 6.0 through 6.3, when a JDBC data source is used, does not properly handle (1) a long value in an ADD or (2) long string attributes, which allows remote attackers to cause a denial of service (JDBC backend outage) via crafted LDAP requests

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HIGH

Sun Java System Directory Proxy Server in Sun Java System Directory Server Enterprise Edition 6.0 through 6.3, when a JDBC data source is used, does not properly handle (1) a long value in an ADD or (2) long string attributes, which allows remote attackers to cause a denial of service (JDBC backend outage) via crafted LDAP requests

Published Feb 17, 2009

7.8

HIGH

CVSS 2.0

EPSS 2.54%

Description

Sun Java System Directory Proxy Server in Sun Java System Directory Server Enterprise Edition 6.0 through 6.3, when a JDBC data source is used, does not properly handle (1) a long value in an ADD or (2) long string attributes, which allows remote attackers to cause a denial of service (JDBC backend outage) via crafted LDAP requests.

Affected products

Remediation

No remediation recorded yet.

Metrics

2.54% 0.02542

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.

EPSS probability 0.02542

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (14 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 2, 2026	2.54% (0.02542)	84.44th	v5 (v2026.06.15)
Jun 15, 2026	2.54% (0.02542)	82.89th	v5 (v2026.06.15)
Mar 17, 2025	0.66% (0.00660)	69.40th	v4 (v2025.03.14)
Dec 12, 2024	0.66% (0.00657)	80.21th	v3 (v2023.03.01)
May 24, 2024	0.35% (0.00351)	71.80th	v3 (v2023.03.01)
May 10, 2024	0.29% (0.00295)	69.08th	v3 (v2023.03.01)
Apr 25, 2024	0.25% (0.00249)	64.46th	v3 (v2023.03.01)
Mar 15, 2024	0.35% (0.00354)	71.34th	v3 (v2023.03.01)
Feb 8, 2024	0.32% (0.00320)	69.76th	v3 (v2023.03.01)
Mar 7, 2023	0.66% (0.00657)	76.33th	v3 (v2023.03.01)
Mar 6, 2023	1.21% (0.01213)	66.61th	v2 (v2022.01.01)
Feb 17, 2023	1.21% (0.01213)	66.22th	v2 (v2022.01.01)
Apr 1, 2022	1.21% (0.01213)	64.21th	v2 (v2022.01.01)
Feb 4, 2022	1.21% (0.01213)	40.54th	v2 (v2022.01.01)

Weaknesses (1)

CWE-20

Improper Input Validation

References (4)

http://secunia.com/advisories/33923
third-party-advisoryx_refsource_SECUNIAVendor Advisory
http://sunsolve.sun.com/search/document.do?assetkey=1-21-125276-08-1
x_refsource_CONFIRMPatchVendor Advisory
http://sunsolve.sun.com/search/document.do?assetkey=1-66-251086-1
vendor-advisoryx_refsource_SUNALERTPatchVendor Advisory
http://www.securityfocus.com/bid/33761
vdb-entryx_refsource_BID

Link	Providers	Tags
http://secunia.com/advisories/33923		third-party-advisoryx_refsource_SECUNIAVendor Advisory
http://sunsolve.sun.com/search/document.do?assetkey=1-21-125276-08-1		x_refsource_CONFIRMPatchVendor Advisory
http://sunsolve.sun.com/search/document.do?assetkey=1-66-251086-1		vendor-advisoryx_refsource_SUNALERTPatchVendor Advisory
http://www.securityfocus.com/bid/33761		vdb-entryx_refsource_BID

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Feb 17, 2009

Updated Sep 16, 2024

Reserved Feb 17, 2009

Link CVE-2009-0609

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2009-0609

Red Hat

Severity n/a

Public date n/a

Links CVE-2009-0609