VDB
PYSEC-2021-108
PYSEC-2021-108
PUBLISHED
CVSS 8.699999809265137 HIGH
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.
Risk Scores
CVSS v4.0
8.699999809265137
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| PyPI | urllib3 | 0, 0.2, 0.3 |
Timeline
- Jun 29, 2021 CVE Published
- Nov 8, 2023 CVE Updated