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.
published: 2021-04-14T12:00:00Z
credit: '@0xdecaf'
symbols:
- readUvarint
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
cve_metadata:
  id: CVE-9999-0004
  cwe: 'CWE-190: Integer Overflow or Wraparound'
  description: |
    Integer overflow in github.com/ulikunitz/xz before v0.5.8 allows attackers
    to cause denial of service via maliciously crafted input.