USN-8759-1: WebOb vulnerabilities

Publication date

15 September 2026

Overview

Several security issues were fixed in WebOb.


Packages

  • python-webob - Python module providing WSGI request and response objects

Details

It was discovered that WebOb incorrectly handled certain URLs. An
attacker could possibly use this issue to control a redirect or forward
to another URL. This issue was only addressed in Ubuntu 16.04 LTS and
Ubuntu 18.04 LTS. (CVE-2024-42353)

Caleb Brown discovered that WebOb incorrectly handled certain URLs. An
attacker could possibly use this issue to control a redirect or forward
to another URL. (CVE-2026-44889)

It was discovered that WebOb incorrectly handled certain URLs. An
attacker could possibly use this issue to control a redirect or forward
to another URL. This issue was only addressed in Ubuntu 16.04 LTS and
Ubuntu 18.04 LTS. (CVE-2024-42353)

Caleb Brown discovered that WebOb incorrectly handled certain URLs. An
attacker could possibly use this issue to control a redirect or forward
to another URL. (CVE-2026-44889)

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-webob –  1:1.8.9-1ubuntu0.1
24.04 LTS noble python3-webob –  1:1.8.7-1ubuntu0.1.24.04.2
22.04 LTS jammy python3-webob –  1:1.8.6-1.1ubuntu0.2
20.04 LTS focal python3-webob –  1:1.8.5-2ubuntu0.1+esm1  
18.04 LTS bionic python-webob –  1:1.7.3-2ubuntu0.1~esm2  
python3-webob –  1:1.7.3-2ubuntu0.1~esm2  
16.04 LTS xenial python-webob –  1.5.1-1ubuntu0.1~esm2  
python3-webob –  1.5.1-1ubuntu0.1~esm2  

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