CVE-2025-27611
High
Description
base-x is a base encoder and decoder of any given alphabet using bitcoin style leading zero compression. Versions 4.0.0, 5.0.0, and all prior to 3.0.11, are vulnerable to attackers potentially deceiving users into sending funds to an unintended address. This issue has been patched in versions 3.0.11, 4.0.1, and 5.0.1.
SeverityHigh
CVSS8.7
Exploit probability—
ProductBase-x
PublishedApr 30, 2025
First seenApr 30, 2025
Weakness typeCWE-1007CWE-1007
How to fix
Update
- base-x5.0.1, 4.0.1, 3.0.11 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| base-xnpm | 5.0.0 ≤ v < 5.0.1, 4.0.0 ≤ v < 4.0.1, v < 3.0.11 | 5.0.1, 4.0.1, 3.0.11 |
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