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CVE-2024-27094
Good to know:
Date: February 29, 2024
OpenZeppelin Contracts is a library for secure smart contract development. The `Base64.encode` function encodes a `bytes` input by iterating over it in chunks of 3 bytes. When this input is not a multiple of 3, the last iteration may read parts of the memory that are beyond the input buffer. The vulnerability is fixed in 5.0.2 and 4.9.6.
Language: JS
Severity Score
Related Resources (7)
Severity Score
Top Fix
Upgrade Version
Upgrade to version @openzeppelin/contracts - 4.9.6,5.0.2, @openzeppelin/contracts-upgradeable - 4.9.6,5.0.2
CVSS v3.1
Base Score: |
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Attack Vector (AV): | NETWORK |
Attack Complexity (AC): | HIGH |
Privileges Required (PR): | NONE |
User Interaction (UI): | NONE |
Scope (S): | UNCHANGED |
Confidentiality (C): | NONE |
Integrity (I): | LOW |
Availability (A): | HIGH |