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Ubuntu Security Notice USN-6744-2
April 22, 2024
pillow vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 20.04 LTS (Available with Ubuntu Pro)
Summary:
Pillow could be made to crash or run programs as an administrator
if it opened a specially crafted file.
Software Description:
- pillow-python2: Python Imaging Library (Pillow fork)
Details:
USN-6744-1 fixed a vulnerability in Pillow (Python 3). This update
provides the corresponding updates for Pillow (Python 2) in
Ubuntu 20.04 LTS.
Original advisory details:
  Hugo van Kemenade discovered that Pillow was not properly performing
  bounds checks when processing an ICC file, which could lead to a buffer
  overflow. If a user or automated system were tricked into processing a
  specially crafted ICC file, an attacker could possibly use this issue
  to cause a denial of service or execute arbitrary code.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 20.04 LTS (Available with Ubuntu Pro):
   python-pil                      6.2.1-3ubuntu0.1~esm2
In general, a standard system update will make all the necessary changes.
References:
   https://ubuntu.com/security/notices/USN-6744-2
   https://ubuntu.com/security/notices/USN-6744-1
   CVE-2024-28219