USN-8537-1: httplib2 vulnerability

Publication date

14 July 2026

Overview

httplib2 could be made to crash if it received specially crafted network traffic.


Packages

Details

It was discovered that httplib2 performed unbounded decompression of HTTP
response bodies when the server used gzip or deflate Content-Encoding. A
remote attacker could possibly use this issue to cause httplib2 to use
excessive resources, leading to a denial of service.

It was discovered that httplib2 performed unbounded decompression of HTTP
response bodies when the server used gzip or deflate Content-Encoding. A
remote attacker could possibly use this issue to cause httplib2 to use
excessive resources, leading to a denial of service.

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
26.04 LTS resolute python3-httplib2 –  0.22.0-1ubuntu0.1
24.04 LTS noble python3-httplib2 –  0.20.4-3ubuntu0.1
22.04 LTS jammy python3-httplib2 –  0.20.2-2ubuntu0.1

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