IBM DB2/DB2 Connect Server up to 11.5.9/12.1.4 improper validation of specified quantity in input

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in IBM DB2 and DB2 Connect Server up to 11.5.9/12.1.4. It has been classified as problematic. Affected by this issue is some unknown functionality. The manipulation leads to improper validation of specified quantity in input. This vulnerability is listed as CVE-2026-1352. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in IBM DB2 and DB2 Connect Server up to 11.5.9/12.1.4. It has been rated as problematic. This issue affects an unknown code block. The manipulation with an unknown input leads to a improper validation of specified quantity in input vulnerability. Using CWE to declare the problem leads to CWE-1284. The product receives input that is expected to specify a quantity (such as size or length), but it does not validate or incorrectly validates that the quantity has the required properties. Impacted is availability. The summary by CVE is:

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 for Linux, UNIX and Windows (includes Db2 Connect Server) could allow an authenticated user to cause a denial of service due to improper neutralization of special elements in data query logic.

It is possible to read the advisory at ibm.com. The identification of this vulnerability is CVE-2026-1352 since 01/22/2026. The exploitation is known to be easy. The attack may be initiated remotely. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 310109 (IBM DB2 Multiple DoS (7269433, 7269434, 7269424, 7267642) (Unix)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at CNNVD (CNNVD-202604-4732) and Tenable (310109). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Version

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.5
CNA Vector (ibm): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper validation of specified quantity in input
CWE: CWE-1284 / CWE-703
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 310109
Nessus Name: IBM DB2 Multiple DoS (7269433, 7269434, 7269424, 7267642) (Unix)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

01/22/2026 CVE reserved
04/23/2026 +90 days Advisory disclosed
04/23/2026 +0 days VulDB entry created
04/26/2026 +3 days VulDB entry last update

Sourcesinfo

Vendor: ibm.com

Advisory: ibm.com
Status: Confirmed

CVE: CVE-2026-1352 (🔒)
GCVE (CVE): GCVE-0-2026-1352
GCVE (VulDB): GCVE-100-359063
CNNVD: CNNVD-202604-4732 - IBM Db2 安全漏洞

Entryinfo

Created: 04/23/2026 06:39
Updated: 04/26/2026 15:51
Changes: 04/23/2026 06:39 (62), 04/25/2026 00:09 (2), 04/25/2026 01:44 (6), 04/25/2026 22:43 (1), 04/26/2026 15:51 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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