OESA-2026-1235

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Source
https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2026-1235
Import Source
https://repo.openeuler.org/security/data/osv/OESA-2026-1235.json
JSON Data
https://api.osv.dev/v1/vulns/OESA-2026-1235
Upstream
Published
2026-01-23T12:24:07Z
Modified
2026-01-23T12:45:00.270018Z
Summary
python-urllib3 security update
Details

HTTP library with thread-safe connection pooling, file post support, sanity friendly, and more.

Security Fix(es):

urllib3 is a user-friendly HTTP client library for Python. Starting in version 1.24 and prior to 2.6.0, the number of links in the decompression chain was unbounded allowing a malicious server to insert a virtually unlimited number of compression steps leading to high CPU usage and massive memory allocation for the decompressed data. This vulnerability is fixed in 2.6.0.(CVE-2025-66418)

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

Affected packages

openEuler:24.03-LTS-SP2 / python-urllib3

Package

Name
python-urllib3
Purl
pkg:rpm/openEuler/python-urllib3&distro=openEuler-24.03-LTS-SP2

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.26.18-4.oe2403sp2

Ecosystem specific 

{
    "src": [
        "python-urllib3-1.26.18-4.oe2403sp2.src.rpm"
    ],
    "noarch": [
        "python3-urllib3-1.26.18-4.oe2403sp2.noarch.rpm"
    ]
}

Database specific

source

"https://repo.openeuler.org/security/data/osv/OESA-2026-1235.json"