CVE-2021-33503
—CVSS 3.1
7.5 high
EPSS
3%p88
Published
()
Modified
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.
- Vendors
- pythonfedoraprojectoracle
- Products
- urllib3, fedora, enterprise manager ops center, instantis enterprisetrack, zfs storage appliance kit
- Weakness
- CWE-400
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
In the news0 stories
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