AIKIDO-2026-10160
urllib3-future is vulnerable to Decompression-bomb
89
High Risk
This Affects:
urllib3-futureTL;DR
Affected versions of this package may decompress entire HTTP redirect response bodies even when using the streaming API with preload_content=False, ignoring read limits. It can lead to excessive CPU and memory usage. An attacker can exploit this by hosting a redirect response containing a compressed decompression bomb, causing the client to automatically decompress massive data before any reads occur, resulting in denial of service.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range.
Background info
urllib3-future is vulnerable to Decompression-bomb in versions 1.2.0 - 2.15.901.
How to fix this
Upgrade the urllib3-future library to the patch version or disable redirects for requests to untrusted sources by setting redirect=False.
Links
GitHub Release
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SOC 2Compliant
ISO 27001Compliant