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PYSEC-2020-172

Details

There is a DoS vulnerability in Pillow before 6.2.2 caused by FpxImagePlugin.py calling the range function on an unvalidated 32-bit integer if the number of bands is large. On Windows running 32-bit Python, this results in an OverflowError or MemoryError due to the 2 GB limit. However, on Linux running 64-bit Python this results in the process being terminated by the OOM killer.

Are you affected?

Enter the version of the package you're using.

Affected packages

PyPI / pillow

Introduced in: 0 Fixed in: 6.2.2

Fix pip install --upgrade 'pillow>=6.2.2'

References

https://pillow.readthedocs.io/en/stable/releasenotes/6.2.2.html [WEB]
https://usn.ubuntu.com/4272-1/ [WEB]
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3DUMIBUYGJRAVJCTFUWBRLVQKOUTVX5P/ [WEB]
https://www.debian.org/security/2020/dsa-4631 [ADVISORY]
https://github.com/advisories/GHSA-5gm3-px64-rw72 [ADVISORY]