CVE-2019-19911

Advisory

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.

Affected package

Affected versions

Fixed versions

Vulnerability changelog

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.


CONFIRM:https://pillow.readthedocs.io/en/stable/releasenotes/6.2.2.html: https://pillow.readthedocs.io/en/stable/releasenotes/6.2.2.html

Resources

• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19911
• https://pillow.readthedocs.io/en/stable/releasenotes/6.2.2.html
• https://usn.ubuntu.com/4272-1/
• https://lists.fedoraproject.org/archives/list/[email protected]/message/3DUMIBUYGJRAVJCTFUWBRLVQKOUTVX5P/
• https://www.debian.org/security/2020/dsa-4631