What is CVE-2021-29511?

CVE-2021-29511 is a medium-severity vulnerability in Evm_project Evm, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2021-05-12.

How severe is CVE-2021-29511?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Buffer overflow in Evm_project Evm

CVE-2021-29511

evm is a pure Rust implementation of Ethereum Virtual Machine. Prior to the patch, when executing specific EVM opcodes related to memory operations that use `evm_core::Memory::copy_large`, the `evm` crate can over-allocate memory when it i…

EPSS: 0.013 (66.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Evm_project Evm — versions 0.22.0, 0.23.0, 0.24.0
Rust-blockchain Evm — versions < 0.21.1, = 0.22.0, = 0.23.0

Weakness classification (CWE)

References

security-advisories@github.com (x_refsource_CONFIRM, Patch, Third Party Advisory)
security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)
security-advisories@github.com (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-29511?: CVE-2021-29511 is a medium-severity vulnerability in Evm_project Evm, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2021-05-12.
How severe is CVE-2021-29511?: Medium severity. CVSS v3 base score is 6.5 out of 10.