It was discovered that urllib3 incorrectly handled certain characters in URLs. A remote attacker could possibly use this issue to cause urllib3 to consume resources, leading to a denial of service.
{ "binaries": [ { "binary_name": "python3-urllib3", "binary_version": "1.25.8-2ubuntu0.2" } ], "availability": "No subscription required" }
{ "ecosystem": "Ubuntu:20.04:LTS", "cves": [ { "id": "CVE-2021-33503", "severity": [ { "type": "CVSS_V3", "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "type": "Ubuntu", "score": "low" } ] } ] }