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USN-5777-1: Pillow vulnerabilities

13 December 2022

Several security issues were fixed in Pillow.

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Releases

Packages

  • pillow - Python Imaging Library

Details

It was discovered that Pillow incorrectly handled the deletion of temporary
files when using a temporary directory that contains spaces. An attacker could
possibly use this issue to delete arbitrary files. This issue only affected
Ubuntu 20.04 LTS. (CVE-2022-24303)

It was discovered that Pillow incorrectly handled the decompression of highly
compressed GIF data. An attacker could possibly use this issue to cause Pillow
to crash, resulting in a denial of service. (CVE-2022-45198)

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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 22.04
Ubuntu 20.04

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

References

Related notices

  • USN-5777-2: python-pil, pillow-python2, python-pil.imagetk

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Further reading