module: github.com/ethereum/go-ethereum
package: github.com/ethereum/go-ethereum/core
versions:
  - introduced: v1.9.4
  - fixed: v1.9.20
description: |
    Due to an incorrect state calculation, a specific set of transactions could cause a consensus disagreement,
    causing users of this package to reject a canonical chain.
published: 2021-07-28T18:08:05Z
cves:
  - CVE-2020-26265
ghsas:
  - GHSA-xw37-57qp-9mm4
credit: John Youngseok Yang (Software Platform Lab)
symbols:
  - StateDB.createObject
links:
    pr: https://github.com/ethereum/go-ethereum/pull/21080
    commit: https://github.com/ethereum/go-ethereum/commit/87c0ba92136a75db0ab2aba1046d4a9860375d6a
    context:
      - https://github.com/advisories/GHSA-xw37-57qp-9mm4