CVE-2025-21020
Unknown
Unknown - Not Provided
BaseFortify
Publication date: 2025-08-06
Last updated on: 2025-08-15
Assigner: Samsung Mobile
Description
Description
Out-of-bounds write in creating bitmap images in Blockchain Keystore prior to version 1.3.17.2 allows local privileged attackers to write out-of-bounds memory.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| samsung | blockchain_keystore | to 1.3.17.2 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-787 | The product writes data past the end, or before the beginning, of the intended buffer. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is an out-of-bounds write issue that occurs when creating bitmap images in Blockchain Keystore versions prior to 1.3.17.2. It allows local attackers with privileged access to write data outside the intended memory boundaries, potentially leading to memory corruption.
How can this vulnerability impact me? :
The vulnerability can allow a local privileged attacker to corrupt memory by writing out-of-bounds, which may lead to system instability, crashes, or potentially escalate privileges or compromise data integrity within the affected system.
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