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MEDIUM6.5

GHSA-4jwq-572w-4388

Memory over-allocation in evm crate

Details

### Impact Prior to the patch, when executing specific EVM opcodes related to memory operations that use `evm_core::Memory::copy_large`, the crate can over-allocate memory when it is not needed, making it possible for an attacker to perform denial-of-service attack.

### Patches The flaw was corrected in commit `19ade85`. Users should upgrade to `==0.21.1, ==0.23.1, ==0.24.1, ==0.25.1, >=0.26.1`.

### Workarounds None. Please upgrade your `evm` crate version

### References Fix commit: https://github.com/rust-blockchain/evm/commit/19ade858c430ab13eb562764a870ac9f8506f8dd

### For more information If you have any questions or comments about this advisory: * Open an issue in [evm repo](https://github.com/rust-blockchain/evm) * Email [Wei](mailto:wei@that.world)

Are you affected?

Enter the version of the package you're using.

Affected packages

crates.io/evm
Introduced in: 0Fixed in: 0.21.1

Upgrade evm to 0.21.1 or newer (ecosystem crates.io).

crates.io/evm-core
Introduced in: 0Fixed in: 0.21.1

Upgrade evm-core to 0.21.1 or newer (ecosystem crates.io).

crates.io/evm
Introduced in: 0.22.0Fixed in: 0.22.1

Upgrade evm to 0.22.1 or newer (ecosystem crates.io).

crates.io/evm
Introduced in: 0.23.0Fixed in: 0.23.1

Upgrade evm to 0.23.1 or newer (ecosystem crates.io).

crates.io/evm
Introduced in: 0.24.0Fixed in: 0.24.1

Upgrade evm to 0.24.1 or newer (ecosystem crates.io).

crates.io/evm
Introduced in: 0.25.0Fixed in: 0.25.1

Upgrade evm to 0.25.1 or newer (ecosystem crates.io).

crates.io/evm
Introduced in: 0.26.0Fixed in: 0.26.1

Upgrade evm to 0.26.1 or newer (ecosystem crates.io).

crates.io/evm-core
Introduced in: 0.22.0Fixed in: 0.22.1

Upgrade evm-core to 0.22.1 or newer (ecosystem crates.io).

crates.io/evm-core
Introduced in: 0.23.0Fixed in: 0.23.1

Upgrade evm-core to 0.23.1 or newer (ecosystem crates.io).

crates.io/evm-core
Introduced in: 0.24.0Fixed in: 0.24.1

Upgrade evm-core to 0.24.1 or newer (ecosystem crates.io).

crates.io/evm-core
Introduced in: 0.25.0Fixed in: 0.25.1

Upgrade evm-core to 0.25.1 or newer (ecosystem crates.io).

crates.io/evm-core
Introduced in: 0.26.0Fixed in: 0.26.1

Upgrade evm-core to 0.26.1 or newer (ecosystem crates.io).

References