IBM Concert up to 2.2.0 compiler removal of code to clear buffers

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in IBM Concert up to 2.2.0. Affected by this vulnerability is an unknown functionality. The manipulation results in compiler removal of code to clear buffers. This vulnerability is identified as CVE-2025-64646. The attack is only possible with local access. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as problematic, was found in IBM Concert up to 2.2.0. Affected is an unknown part. The manipulation with an unknown input leads to a compiler removal of code to clear buffers vulnerability. CWE is classifying the issue as CWE-14. Sensitive memory is cleared according to the source code, but compiler optimizations leave the memory untouched when it is not read from again, aka "dead store removal." This is going to have an impact on confidentiality. CVE summarizes:

IBM Concert 1.0.0 through 2.2.0 could allow an attacker to access sensitive information in memory due to the buffer not properly clearing resources.

The advisory is shared for download at ibm.com. This vulnerability is traded as CVE-2025-64646 since 11/06/2025. The exploitability is told to be easy. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 5.0

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔒

CNA Base Score: 6.2
CNA Vector (ibm): 🔒

CVSSv2info

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

Exploitinginfo

Class: Compiler removal of code to clear buffers
CWE: CWE-14
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

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

11/06/2025 CVE reserved
03/25/2026 +139 days Advisory disclosed
03/25/2026 +0 days VulDB entry created
04/01/2026 +7 days VulDB entry last update

Sourcesinfo

Vendor: ibm.com

Advisory: ibm.com
Status: Confirmed

CVE: CVE-2025-64646 (🔒)
GCVE (CVE): GCVE-0-2025-64646
GCVE (VulDB): GCVE-100-353496

Entryinfo

Created: 03/25/2026 23:00
Updated: 04/01/2026 14:27
Changes: 03/25/2026 23:00 (62), 04/01/2026 14:27 (12)
Complete: 🔍
Cache ID: 216::103

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