CVE-2019-19911

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.

• CWE-190

• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3DUMIBUYGJRAVJCTFUWBRLVQKOUTVX5P/
• https://pillow.readthedocs.io/en/stable/releasenotes/6.2.2.htmlRelease Notes, Third Party Advisory
• https://usn.ubuntu.com/4272-1/Third Party Advisory
• https://www.debian.org/security/2020/dsa-4631Third Party Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3DUMIBUYGJRAVJCTFUWBRLVQKOUTVX5P/
• https://pillow.readthedocs.io/en/stable/releasenotes/6.2.2.htmlRelease Notes, Third Party Advisory
• https://usn.ubuntu.com/4272-1/Third Party Advisory
• https://www.debian.org/security/2020/dsa-4631Third Party Advisory

Published

Jan 5, 2020

Last Modified

Jun 17, 2026

Status

Modified

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