IBM DB2/DB2 Connect Server up to 11.1.4.7/11.5.9/12.1.3 memory allocation

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

Summaryinfo

A vulnerability labeled as problematic has been found in IBM DB2 and DB2 Connect Server up to 11.1.4.7/11.5.9/12.1.3. The impacted element is an unknown function. Executing a manipulation can lead to memory allocation. This vulnerability appears as CVE-2025-2534. The attack may be performed from remote. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in IBM DB2 and DB2 Connect Server up to 11.1.4.7/11.5.9/12.1.3. It has been declared as problematic. This vulnerability affects an unknown part. The manipulation with an unknown input leads to a memory allocation vulnerability. The CWE definition for the vulnerability is CWE-789. The product allocates memory based on an untrusted, large size value, but it does not ensure that the size is within expected limits, allowing arbitrary amounts of memory to be allocated. As an impact it is known to affect availability. CVE summarizes:

IBM Db2 11.1.0 through 11.1.4.7, 11.5.0 through 11.5.9, and 12.1.0 through 12.1.3 for Linux, UNIX and Windows (includes Db2 Connect Server) is vulnerable to a denial of service as the server may crash under certain conditions with a specially crafted query.

The advisory is available at ibm.com. This vulnerability was named CVE-2025-2534 since 03/19/2025. The exploitation appears to be difficult. The attack can be initiated remotely. The technical details are unknown and an exploit is not available.

Upgrading eliminates this vulnerability.

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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: 5.3
VulDB Meta Temp Score: 5.3

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔒

CNA Base Score: 5.3
CNA Vector (ibm): 🔒

CVSSv2info

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

Exploitinginfo

Class: Memory allocation
CWE: CWE-789 / CWE-400 / CWE-404
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

03/19/2025 CVE reserved
11/08/2025 +234 days Advisory disclosed
11/08/2025 +0 days VulDB entry created
11/20/2025 +12 days VulDB entry last update

Sourcesinfo

Vendor: ibm.com

Advisory: ibm.com
Status: Confirmed

CVE: CVE-2025-2534 (🔒)
GCVE (CVE): GCVE-0-2025-2534
GCVE (VulDB): GCVE-100-331558

Entryinfo

Created: 11/08/2025 07:21
Updated: 11/20/2025 04:53
Changes: 11/08/2025 07:21 (63), 11/20/2025 04:53 (11)
Complete: 🔍
Cache ID: 216:DB5:103

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