Besu’s BN254 Vulnerability: Subgroup Check Flaw Exposes Security Risks
Iris Coleman
May 25, 2025 14:56
A critical vulnerability in Besu’s Ethereum client related to subgroup checks on BN254 curve has...
Tag : subgroup
CVE-2025-30147 – The curious case of subgroup check on Besu
Thanks to Marius Van Der Wijden for creating the test case and statetest, and for helping the Besu team confirm the issue. Also, kudos to...