OESA-2021-1260

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Source
https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2021-1260
Import Source
https://repo.openeuler.org/security/data/osv/OESA-2021-1260.json
JSON Data
https://api.test.osv.dev/v1/vulns/OESA-2021-1260
Upstream
Published
2021-07-10T11:03:02Z
Modified
2025-08-12T05:08:29.182851Z
Summary
python-urllib3 security update
Details

Security Fix(es):

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.(CVE-2021-33503)

Database specific 
{
    "severity": "High"
}
References

Affected packages

openEuler:20.03-LTS-SP1 / python-urllib3

Package

Name
python-urllib3
Purl
pkg:rpm/openEuler/python-urllib3&distro=openEuler-20.03-LTS-SP1

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.25.9-3.oe1

Ecosystem specific 

{
    "src": [
        "python-urllib3-1.25.9-3.oe1.src.rpm"
    ],
    "noarch": [
        "python2-urllib3-1.25.9-3.oe1.noarch.rpm",
        "python3-urllib3-1.25.9-3.oe1.noarch.rpm"
    ]
}