modules:
  - module: github.com/ethereum/go-ethereum
    versions:
      - fixed: 1.9.25
    packages:
      - package: github.com/ethereum/go-ethereum/les
        symbols:
          - serverHandler.handleMsg
        derived_symbols:
          - PrivateLightServerAPI.Benchmark
description: |
    Due to a nil pointer dereference, a malicously crafted RPC message
    can cause a panic. If handling RPC messages from untrusted clients,
    this may be used as a denial of service vector.
published: 2021-04-14T20:04:52Z
cves:
  - CVE-2020-26264
ghsas:
  - GHSA-r33q-22hv-j29q
credit: '@zsfelfoldi'
references:
  - fix: https://github.com/ethereum/go-ethereum/pull/21896
  - fix: https://github.com/ethereum/go-ethereum/commit/bddd103a9f0af27ef533f04e06ea429cf76b6d46