Ubuntu: USN-5812-1 (CVE-2021-33503): urllib3 vulnerability
5
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
06/18/2021
01/25/2023
01/20/2023
03/22/2023
Description
An issue was discovered in urllib3 before 1.26.5. When provided with a URL containing many @ characters in the authority component, the authority regular expression exhibits catastrophic backtracking, causing a denial of service if a URL were passed as a parameter or redirected to via an HTTP redirect.
Solution(s)
- ubuntu-upgrade-python3-urllib3
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