CVE-2025-66471 | urllib3 up to 2.5.x Streaming API data amplification

A vulnerability categorized as critical has been discovered in urllib3 up to 2.5.x. This affects an unknown function of the component Streaming API. Such manipulation leads to highly compressed data.

This vulnerability is documented as CVE-2025-66471. The attack can be executed remotely. There is not any exploit available.

It is advisable to upgrade the affected component.VulDB Recent EntriesRead More