module: github.com/holiman/uint256
versions:
  - introduced: v0.1.0
  - fixed: v1.1.1
description: |
    Due to improper bounds checking, certain mathmatical operations can cause a panic via an
    out of bounds read. If this package is used to process untrusted user inputs, this may be used
    as a vector for a denial of service attack.
published: 2021-07-28T18:08:05Z
cves:
  - CVE-2020-26242
credit: Dima Stebaev
symbols:
  - udivrem
derived_symbols:
  - Int.AddMod
  - Int.Div
  - Int.Mod
  - Int.MulMod
  - Int.SDiv
  - Int.SMod
links:
    pr: https://github.com/holiman/uint256/pull/80
    commit: https://github.com/holiman/uint256/commit/6785da6e3eea403260a5760029e722aa4ff1716d
    context:
      - https://github.com/ethereum/go-ethereum/security/advisories/GHSA-jm5c-rv3w-w83m