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.

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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.

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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