CVE-2023-26488

OpenZeppelin Contracts contains Incorrect Calculation

Description

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.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.07%
Third-Party Advisory github.com
Affected: OpenZeppelin openzeppelin-contracts
Published at:
Updated at:

References

Link Tags
https://github.com/OpenZeppelin/openzeppelin-contracts/security/advisories/GHSA-878m-3g6q-594q third party advisory
https://github.com/OpenZeppelin/openzeppelin-contracts/commit/167bf67ed3907f4a674043496019fa346cee7705 patch
https://github.com/OpenZeppelin/openzeppelin-contracts/releases/tag/v4.8.2 release notes

Frequently Asked Questions

What is the severity of CVE-2023-26488?
CVE-2023-26488 has been scored as a medium severity vulnerability.
How to fix CVE-2023-26488?
To fix CVE-2023-26488, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-26488 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-26488 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-26488?
CVE-2023-26488 affects OpenZeppelin openzeppelin-contracts.
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