What’s Vulnerable › Vulnerabilities

CVE-2022-35915: Unbounded gas consumption in @openzeppelin/contracts

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-08-01 · updated 2026-06-17
• Weakness: CWE-400

Description

OpenZeppelin Contracts is a library for secure smart contract development. The target contract of an EIP-165 `supportsInterface` query can cause unbounded gas consumption by returning a lot of data, while it is generally assumed that this operation has a bounded cost. The issue has been fixed in v4.7.2. Users are advised to upgrade. There are no known workarounds for this issue.

Affected products

• openzeppelin-contracts: from 2.0.0 before 4.7.2 — fixed in 4.7.2
• OpenZeppelin Contracts Upgradeable: from 3.2.0 before 4.7.2 — fixed in 4.7.2
• Openzeppelin-Eth: from 2.0.0
• Openzeppelin-Solidity: from 2.0.0

How to fix

Upgrade to a fixed version: openzeppelin-contracts 4.7.2; OpenZeppelin Contracts Upgradeable 4.7.2. Check the vendor advisory for mitigations.

References

• https://github.com/OpenZeppelin/openzeppelin-contracts/pull/3587
• https://github.com/OpenZeppelin/openzeppelin-contracts/security/advisories/GHSA-7grf-83vw-6f5x
• https://github.com/OpenZeppelin/openzeppelin-contracts/pull/3587
• https://github.com/OpenZeppelin/openzeppelin-contracts/security/advisories/GHSA-7grf-83vw-6f5x

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