packages:
  - module: github.com/tendermint/tendermint
    package: github.com/tendermint/tendermint/types
    symbols:
      - VoteSet.MakeCommit
    derived_symbols:
      - MakeCommit
    versions:
      - introduced: v0.33.0
        fixed: v0.34.0-dev1.0.20200702134149-480b995a3172
description: |
    Proposed commits may contain signatures for blocks not contained within the commit. Instead of skipping
    these signatures, they cause failure during verification. A malicious proposer can use this to force
    consensus failures.
published: 2021-04-14T20:04:52Z
cves:
  - CVE-2020-15091
ghsas:
  - GHSA-6jqj-f58p-mrw3
credit: Neeraj Murarka
links:
    pr: https://github.com/tendermint/tendermint/pull/5426
    commit: https://github.com/tendermint/tendermint/commit/480b995a31727593f58b361af979054d17d84340
    context:
      - https://github.com/tendermint/tendermint/issues/4926