Import Source
https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-71846.json
JSON Data
https://api.test.osv.dev/v1/vulns/AZL-71846
Upstream
Published
2025-12-05T16:15:51Z
Modified
2026-04-01T05:22:06.175381Z
Summary
CVE-2025-66418 affecting package python-urllib3 for versions less than 1.26.19-3
Details

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.

References

Affected packages

Azure Linux:2 / python-urllib3

Package

Name
python-urllib3
Purl
pkg:rpm/azure-linux/python-urllib3

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.26.19-3

Database specific

source
"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-71846.json"