CVE-2019-19911: Uncontrolled Resource Consumption in Pillow
(updated )
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.
References
- github.com/advisories/GHSA-5gm3-px64-rw72
- github.com/pypa/advisory-database/tree/main/vulns/pillow/PYSEC-2020-172.yaml
- github.com/python-pillow/Pillow/blob/master/CHANGES.rst
- github.com/python-pillow/Pillow/commit/774e53bb132461d8d5ebefec1162e29ec0ebc63d
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3DUMIBUYGJRAVJCTFUWBRLVQKOUTVX5P
- nvd.nist.gov/vuln/detail/CVE-2019-19911
- pillow.readthedocs.io/en/stable/releasenotes/6.2.2.html
- usn.ubuntu.com/4272-1
- www.debian.org/security/2020/dsa-4631
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