USN-8047-1: Pillow vulnerability

Publication date

17 February 2026

Overview

Pillow could be made to crash or run programs if it opened a specially crafted file.

Releases


Packages

  • pillow - Python Imaging Library

Details

Yarden Porat discovered that Pillow incorrectly handled certain malformed
PSD images. An attacker could use this issue to cause Pillow to crash,
resulting in a denial of service, or possibly execute arbitrary code.

Yarden Porat discovered that Pillow incorrectly handled certain malformed
PSD images. An attacker could use this issue to cause Pillow to crash,
resulting in a denial of service, or possibly execute arbitrary code.

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
25.10 questing python3-pil –  11.3.0-1ubuntu1.1

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