module: github.com/ulikunitz/xz
versions:
  - fixed: v0.5.8
description: |
    An attacker can construct a series of bytes such that calling
    Reader.Read on the bytes could cause an infinite loop. If
    parsing user supplied input, this may be used as a denial of
    service vector.
published: 2021-04-14T20:04:52Z
cves:
  - CVE-2021-29482
credit: '@0xdecaf'
symbols:
  - readUvarint
derived_symbols:
  - Reader.Read
  - blockHeader.UnmarshalBinary
  - streamReader.Read
links:
    commit: https://github.com/ulikunitz/xz/commit/69c6093c7b2397b923acf82cb378f55ab2652b9b
    context:
      - https://github.com/ulikunitz/xz/issues/35
      - https://github.com/ulikunitz/xz/security/advisories/GHSA-25xm-hr59-7c27