Unrated severityNVD Advisory· Published Aug 6, 2025· Updated Feb 26, 2026

CVE-2025-21020

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.

Affected products

Blockchain Keystore/Blockchain Keystorellm-fuzzy
Range: <1.3.17.2
Samsung Mobile/Blockchain Keystorev5
Range: 1.3.17.2

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

security.samsungmobile.com/serviceWeb.smsbmitre

News mentions

No linked articles in our index yet.

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