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USN-4570-1: urllib3 vulnerability

5 October 2020

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

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Releases

Packages

Details

It was discovered that urllib3 incorrectly handled certain character
sequences. A remote attacker could possibly use this issue to perform CRLF
injection.

Reduce your security exposure

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 20.04
Ubuntu 18.04
Ubuntu 16.04

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

References

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Further reading