Ubuntu Security Notice 6473-2 - USN-6473-1 fixed vulnerabilities in urllib3. This update provides the corresponding updates for the urllib3 module bundled into pip. It was discovered that urllib3 didn't strip HTTP Authorization header on cross-origin redirects. A remote attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.
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