PYSEC-2019-62 - In the urllib3 library through 1.24.1 for Python, CRLF injection is possible if the attacker controls the request parameter.

Severity: info · Published 2019-04-15

In the urllib3 library through 1.24.1 for Python, CRLF injection is possible if the attacker controls the request parameter.

Technologies: urllib3 (PyPI). Vendors: PyPI.

Quick answers

Is This vulnerability exploited in the wild?
No. Junglewise Threat Intelligence has no report of This vulnerability being exploited in the wild.
How severe is This vulnerability?
Informational severity, published 15 April 2019.
Which products and versions are affected?
urllib3 (PyPI) ECOSYSTEM:introduced=0,fixed=1.24.3.
Is there a fix for This vulnerability?
Yes. urllib3 (PyPI): upgrade to 1.24.3 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected?
Check whether you run urllib3 (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • urllib3 (PyPI): upgrade to 1.24.3 or later
    pip install "urllib3>=1.24.3"

Affected products

  • urllib3 (PyPI) ECOSYSTEM:introduced=0,fixed=1.24.3

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