[USN-6618-1] Pillow vulnerabilities

Marc Deslauriers marc.deslauriers at canonical.com
Tue Jan 30 17:21:59 UTC 2024

Ubuntu Security Notice USN-6618-1
January 30, 2024

pillow vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 23.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS


Several security issues were fixed in Pillow.

Software Description:
- pillow: Python Imaging Library


It was discovered that Pillow incorrectly handled certain long text
arguments. An attacker could possibly use this issue to cause Pillow to
consume resources, leading to a denial of service. This issue only affected
Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS. (CVE-2023-44271)

Duarte Santos discovered that Pillow incorrectly handled the environment
parameter to PIL.ImageMath.eval. An attacker could possibly use this issue
to execute arbitrary code. (CVE-2023-50447)

Update instructions:

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

Ubuntu 23.10:
   python3-pil                     10.0.0-1ubuntu0.1

Ubuntu 22.04 LTS:
   python3-pil                     9.0.1-1ubuntu0.2

Ubuntu 20.04 LTS:
   python3-pil                     7.0.0-4ubuntu0.8

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

   CVE-2023-44271, CVE-2023-50447

Package Information:

-------------- next part --------------
A non-text attachment was scrubbed...
Name: OpenPGP_signature.asc
Type: application/pgp-signature
Size: 833 bytes
Desc: OpenPGP digital signature
URL: <https://lists.ubuntu.com/archives/ubuntu-security-announce/attachments/20240130/0e1c40eb/attachment.sig>

More information about the ubuntu-security-announce mailing list