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USN-4963-1: Pillow vulnerabilities

19 May 2021

Pillow could be made to crash or hang if it opened a specially crafted file.



  • pillow - Python Imaging Library


It was discovered that Pillow incorrectly handled certain image files. If a
user or automated system were tricked into opening a specially-crafted
file, a remote attacker could cause Pillow to crash or hand, resulting in a
denial of service.

Update instructions

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

Ubuntu 21.04
Ubuntu 20.10
Ubuntu 20.04
Ubuntu 18.04

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