CVE-2025-64646 | IBM Concert up to 2.2.0 compiler removal of code to clear buffers

VDB-353496 · CVE-2025-64646 · GCVE-0-2025-64646 IBM CONCERT UP TO 2.2.0 COMPILER REMOVAL OF CODE TO CLEAR BUFFERS HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 4.7 $0-$5k 1.57+ 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. Productinfo Vendor IBM Name Concert Version 2.0 2.1 2.2.0 License commercial Website Vendor: https://www.ibm.com/ CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 4.7 VulDB Meta Temp Score: 4.7 VulDB Base Score: 3.3 VulDB Temp Score: 3.2 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 6.2 CNA Vector (ibm): 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock 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 Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock 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 03/25/2026 +0 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 Changes: 03/25/2026 23:00 (62) Complete: 🔍 Cache ID: 99:193:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸