-------------------------------------------------------------------------
Debian LTS Advisory DLA-3768-1                debian-lts@lists.debian.org
https://www.debian.org/lts/security/                         Sean Whitton
March 22, 2024                                https://wiki.debian.org/LTS
-------------------------------------------------------------------------

Package        : pillow
Version        : 5.4.1-2+deb10u5
CVE ID         : CVE-2021-23437 CVE-2022-22817 CVE-2023-44271

Multiple vulnerabilities were discovered in the Python Imaging Library
(PIL), an image processing library for Python.

CVE-2021-23437

    It was discovered that the getrgb function was vulnerable to a
    regular expression denial-of-service attack.

CVE-2022-22817

    A fix for this CVE was announced in DSA-5053-1.  It was discovered
    that this fix was incomplete.  This update completes the fix.

CVE-2023-44271

    It was discovered that an overlong text length argument passed to an
    ImageDraw instance could cause uncontrollable memory allocation and
    denial-of-service.

For Debian 10 buster, these problems have been fixed in version
5.4.1-2+deb10u5.

We recommend that you upgrade your pillow packages.

For the detailed security status of pillow please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/pillow

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS