Loading HuntDB...

GHSA-r33q-22hv-j29q

GitHub Security Advisory

Denial of service in github.com/ethereum/go-ethereum

✓ GitHub Reviewed MODERATE Has CVE

Advisory Details

### Impact

A DoS vulnerability can make a LES server crash via malicious `GetProofsV2` request from a connected LES client.

### Patches

The vulnerability was patched in https://github.com/ethereum/go-ethereum/pull/21896.

### Workarounds

This vulnerability only concerns users explicitly enabling `les` server; disabling `les` prevents the exploit.
It can also be patched by manually applying the patch in https://github.com/ethereum/go-ethereum/pull/21896.

### For more information
If you have any questions or comments about this advisory:
* Open an issue in [go-ethereum](https://github.com/ethereum/go-ethereum)
* Email us at [[email protected]](mailto:[email protected])

Affected Packages

Go github.com/ethereum/go-ethereum
Affected versions: 0 (fixed in 1.9.25)

Related CVEs

Key Information

GHSA ID
GHSA-r33q-22hv-j29q
Published
June 29, 2021 9:14 PM
Last Modified
February 9, 2023 7:39 PM
CVSS Score
5.0 /10
Primary Ecosystem
Go
Primary Package
github.com/ethereum/go-ethereum
GitHub Reviewed
✓ Yes

Dataset

Last updated: July 13, 2025 6:28 AM

Data from GitHub Advisory Database. This information is provided for research and educational purposes.