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CVE-2009-4327

16
FAUCET Score

CVE-2009-4327 describes a denial-of-service vulnerability in the Common Code Infrastructure component of IBM DB2 versions 9.5 (before FP5) and 9.7 (before FP1). This flaw allows an unauthenticated attacker to exhaust system memory by improperly validating memory pool sizes during creation. With a CVSS score of 5.0, this vulnerability is considered medium severity, requiring no authentication and having low attack complexity, but only impacting availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
9.5CPE matchmatch criteria
cpe:2.3:a:ibm:db2:9.5:*:*:*:*:*:*:*
9.5CPE matchmatch criteria
cpe:2.3:a:ibm:db2:9.5:fp1:*:*:*:*:*:*
9.5CPE matchmatch criteria
cpe:2.3:a:ibm:db2:9.5:fp2:*:*:*:*:*:*
9.5CPE matchmatch criteria
cpe:2.3:a:ibm:db2:9.5:fp2a:*:*:*:*:*:*
9.5CPE matchmatch criteria
cpe:2.3:a:ibm:db2:9.5:fp3:*:*:*:*:*:*

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
2.35%
Probability of exploitation in next 30 days
EPSS Percentile
81.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0235 is in the 73rd 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

Remediation records are not available for this CVE.

References

ftp.software.ibm.com / ps/products/db2/fixes/english-us/aparlist/db2_v95/APARLIST.TXT
ftp.software.ibm.com / ps/products/db2/fixes/english-us/aparlist/db2_v97/APARLIST.TXT
secunia.com / advisories/37759
Vendor Advisory
www-01.ibm.com / support/docview.wss
www-01.ibm.com / support/docview.wss
www-01.ibm.com / support/docview.wss
Patch
www-01.ibm.com / support/docview.wss
Vendor Advisory
securityfocus.com / bid/37332
vupen.com / english/advisories/2009/3520
Vendor Advisory