CVE-2023-26488

MEDIUM6.5EPSS 0.32%

OpenZeppelin Contracts contains Incorrect Calculation

Published: 3/3/2023Modified: 11/8/2023
Also known as:GHSA-878m-3g6q-594q

Description

### Impact The ERC721Consecutive contract designed for minting NFTs in batches does not update balances when a batch has size 1 and consists of a single token. Subsequent transfers from the receiver of that token may overflow the balance as reported by `balanceOf`. The issue exclusively presents with batches of size 1. ### Patches The issue has been patched in 4.8.2. <!-- ### References -->

Affected packages (2)

CVSS scores

SourceVersionSeverityVector
osvCVSS 3.1MEDIUM6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

References (5)