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USN-5215-1: NLTK vulnerability

10 January 2022

NLTK could be made to crash if it received specially crafted input.

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Releases

Packages

  • nltk - Natural Language Toolkit

Details

Srikantha Prathi discovered that NLTK incorrectly handled specially crafted input.
An attacker could use this vulnerability to cause a denial of service.

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