CVE-2025-21020

CWE-787 — Out-of-bounds Write3 documents3 sources
Severity
6.7MEDIUM
EPSS
0.0%
top 98.44%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Samsung Blockchain Keystore
Timeline
PublishedAug 6

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 vector

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:NExploitability: 0.5 | Impact: 5.2

Affected Packages1 packages

🔴Vulnerability Details

2
GHSA
GHSA-vx42-pvmj-74xh: Out-of-bounds write in creating bitmap images in Blockchain Keystore prior to version 1↗2025-08-06
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CVEList
CVE-2025-21020: Out-of-bounds write in creating bitmap images in Blockchain Keystore prior to version 1↗2025-08-06
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CVE-2025-21020 (MEDIUM CVSS 6.7) | Out-of-bounds write in creating bit | cvebase.io