IBM Db2 up to 11.5.9/12.1.4 allocation of resources

CVSS Meta Temp Score
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability was found in IBM Db2 up to 11.5.9/12.1.4 and classified as problematic. This vulnerability affects unknown code. Executing a manipulation can lead to allocation of resources. This vulnerability is registered as CVE-2026-1718. It is possible to launch the attack remotely. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in IBM Db2 up to 11.5.9/12.1.4 and classified as problematic. This vulnerability affects an unknown code. The manipulation with an unknown input leads to a allocation of resources vulnerability. The CWE definition for the vulnerability is CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor. As an impact it is known to affect availability. CVE summarizes:

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 is vulnerable to a denial of service with a specially crafted query when autonomous transactions are enabled.

The advisory is shared for download at ibm.com. This vulnerability was named CVE-2026-1718 since 01/30/2026. The exploitation appears to be easy. The attack can be initiated remotely. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2026-1646). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

  • IBM License Metric Tool
  • IBM Tivoli Key Lifecycle Manager
  • IBM DB2

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.6

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

CNA Base Score: 7.1
CNA Vector (ibm): 🔒

CVSSv2info

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

Exploitinginfo

Class: Allocation of resources
CWE: CWE-770 / 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

01/30/2026 CVE reserved
05/27/2026 +116 days Advisory disclosed
05/27/2026 +0 days VulDB entry created
06/10/2026 +14 days VulDB entry last update

Sourcesinfo

Vendor: ibm.com

Advisory: ibm.com
Status: Confirmed

CVE: CVE-2026-1718 (🔒)
GCVE (CVE): GCVE-0-2026-1718
GCVE (VulDB): GCVE-100-366160
CERT Bund: WID-SEC-2026-1646 - IBM DB2: Mehrere Schwachstellen

Entryinfo

Created: 05/27/2026 17:00
Updated: 06/10/2026 16:01
Changes: 05/27/2026 17:00 (62), 06/10/2026 16:01 (7)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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