id: GO-2020-0016
modules:
    - module: github.com/ulikunitz/xz
      versions:
        - fixed: 0.5.8
      vulnerable_at: 0.5.7
      packages:
        - package: github.com/ulikunitz/xz
          symbols:
            - readUvarint
          derived_symbols:
            - Reader.Read
            - blockHeader.UnmarshalBinary
            - streamReader.Read
summary: Infinite loop in github.com/ulikunitz/xz
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
ghsas:
    - GHSA-25xm-hr59-7c27
credits:
    - '@0xdecaf'
references:
    - fix: https://github.com/ulikunitz/xz/commit/69c6093c7b2397b923acf82cb378f55ab2652b9b
    - web: https://github.com/ulikunitz/xz/issues/35