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PYSEC-2021-38

Details

An issue was discovered in Pillow before 8.1.1. The PDF parser allows a regular expression DoS (ReDoS) attack via a crafted PDF file because of a catastrophic backtracking regex.

Are you affected?

Enter the version of the package you're using.

Affected packages

PyPI / pillow

Introduced in: 0 Fixed in: 8.1.1

Fix pip install --upgrade 'pillow>=8.1.1'

References

https://pillow.readthedocs.io/en/stable/releasenotes/8.1.1.html [WEB]
https://github.com/advisories/GHSA-9hx2-hgq2-2g4f [ADVISORY]