IBM DB2/DB2 Connect Server up to 11.5.9/12.1.3 Data Query Logic 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, which was classified as problematic, was found in IBM DB2 and DB2 Connect Server up to 11.5.9/12.1.3. The impacted element is an unknown function of the component Data Query Logic. The manipulation results in improper validation of specified quantity in input. This vulnerability was named CVE-2025-36424. The attack may be performed from remote. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in IBM DB2 and DB2 Connect Server up to 11.5.9/12.1.3. Affected is some unknown functionality of the component Data Query Logic. The manipulation with an unknown input leads to a improper validation of specified quantity in input vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. CVE summarizes:

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

The advisory is shared for download at ibm.com. This vulnerability is traded as CVE-2025-36424 since 04/15/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 297626 (Linux Distros Unpatched Vulnerability : CVE-2025-36424), 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 Tenable (297626) and EUVD (EUVD-2025-206564). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

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Website

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

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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: 297626
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2025-36424

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

04/15/2025 CVE reserved
01/31/2026 +291 days Advisory disclosed
01/31/2026 +0 days VulDB entry created
02/05/2026 +5 days VulDB entry last update

Sourcesinfo

Vendor: ibm.com

Advisory: ibm.com
Status: Confirmed

CVE: CVE-2025-36424 (🔒)
GCVE (CVE): GCVE-0-2025-36424
GCVE (VulDB): GCVE-100-343548
EUVD: 🔒

Entryinfo

Created: 01/31/2026 03:16
Updated: 02/05/2026 06:07
Changes: 01/31/2026 03:16 (63), 01/31/2026 15:37 (1), 02/04/2026 08:54 (2), 02/05/2026 06:07 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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