A security issue has been found in python-urllib3 before version 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 was passed as a parameter or redirected to via an HTTP redirect.
A security issue has been found in python-urllib3 before version 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 was passed as a parameter or redirected to via an HTTP redirect.
https://github.com/urllib3/urllib3/security/advisories/GHSA-q2q7-5pp4-w6pg https://github.com/urllib3/urllib3/commit/2d4a3fee6de2fa45eb82169361918f759269b4ec
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