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CVE-2021-33503

CVE-2021-33503

EPSS 3.3%
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.
Produtos afetados
n/a · n/a

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Referências
https://github.com/advisories/GHSA-q2q7-5pp4-w6pghttps://github.com/urllib3/urllib3/commit/2d4a3fee6de2fa45eb82169361918f759269b4echttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6SCV7ZNAHS3E6PBFLJGENCDRDRWRZZ6W/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FMUGWEAUYGGHTPPXT6YBD53WYXQGVV73/https://security.gentoo.org/glsa/202107-36https://www.oracle.com/security-alerts/cpuoct2021.html