vulnerability
Gentoo Linux: CVE-2021-33503: urllib3: Multiple vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:N/I:N/A:P) | Jun 29, 2021 | Jul 16, 2021 | Aug 13, 2025 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
Jun 29, 2021
Added
Jul 16, 2021
Modified
Aug 13, 2025
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
gentoo-linux-upgrade-dev-python-urllib3
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