What is CVE-2023-26488?

CVE-2023-26488 is a vulnerability in the OpenZeppelin Contracts library that affects the ERC721Consecutive contract.

What is the severity of CVE-2023-26488?

The severity of CVE-2023-26488 is medium, with a severity value of 6.5.

How can I fix CVE-2023-26488 in OpenZeppelin Contracts?

To fix CVE-2023-26488 in OpenZeppelin Contracts, upgrade to version 4.8.2 or higher.

Where can I find more information about CVE-2023-26488?

More information about CVE-2023-26488 can be found in the OpenZeppelin Contracts repository and the associated security advisories.

Vulnerability/
CVE-2023-26488

medium

6.5

CWE

682

3/3/2023

10/3/2023

CVE-2023-26488

Q: How does CVE-2023-26488 affect OpenZeppelin Contracts?

CVE-2023-26488 affects OpenZeppelin Contracts by not updating balances when a batch has size 1 and consists of a single token, which can lead to balance overflow during subsequent transfers.

First published: Fri Mar 03 2023(Updated: )

OpenZeppelin Contracts is a library for secure smart contract development. 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. The issue has been patched in 4.8.2.

Credit: security-advisories@github.com

Affected Software	Affected Version	How to fix
Openzeppelin Contracts	>=4.8.0<4.8.2
Openzeppelin Contracts Upgradeable	>=4.8.0<4.8.2

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Frequently Asked Questions

What is CVE-2023-26488?
CVE-2023-26488 is a vulnerability in the OpenZeppelin Contracts library that affects the ERC721Consecutive contract.
How does CVE-2023-26488 affect OpenZeppelin Contracts?
CVE-2023-26488 affects OpenZeppelin Contracts by not updating balances when a batch has size 1 and consists of a single token, which can lead to balance overflow during subsequent transfers.
What is the severity of CVE-2023-26488?
The severity of CVE-2023-26488 is medium, with a severity value of 6.5.
How can I fix CVE-2023-26488 in OpenZeppelin Contracts?
To fix CVE-2023-26488 in OpenZeppelin Contracts, upgrade to version 4.8.2 or higher.
Where can I find more information about CVE-2023-26488?
More information about CVE-2023-26488 can be found in the OpenZeppelin Contracts repository and the associated security advisories.

collector/nvd-index
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agent/last-modified-date
agent/softwarecombine
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vendor/openzeppelin
canonical/openzeppelin contracts
version/openzeppelin contracts/4.8.0
canonical/openzeppelin contracts upgradeable
version/openzeppelin contracts upgradeable/4.8.0

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