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USN-3990-2: urllib3 vulnerability

29 July 2019

urllib3 could be used to perform a CRLF injection if it received a specially crafted request.

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Releases

Packages

  • python-urllib3 - HTTP library with thread-safe connection pooling for Python

Details

USN-3990-1 fixed a vulnerability in urllib3. This update provides
the corresponding update for Ubuntu 14.04 ESM.

Original advisory details:

It was discovered that urllib3 incorrectly stripped certain characters from
requests. A remote attacker could use this issue to perform CRLF injection.
(CVE-2019-11236)

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 14.04

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

References

Related notices

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Further reading