RHSA-2021:4149 — Security Advisory

Red Hat Security Advisory: python-pillow security update

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Severity

Moderate

Red Hat Product Security

RHEL 8

Products

Official CSAF product identity

Published · November 10, 2021

Updated · November 1, 2026

Topic

An update for python-pillow is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The python-pillow packages contain a Python image processing library that provides extensive file format support, an efficient internal representation, and powerful image-processing capabilities.

Security Fix(es):

python-pillow: Out-of-bounds read in J2K image reader (CVE-2021-25287)
python-pillow: Out-of-bounds read in J2K image reader (CVE-2021-25288)
python-pillow: Negative-offset memcpy in TIFF image reader (CVE-2021-25290)
python-pillow: Regular expression DoS in PDF format parser (CVE-2021-25292)
python-pillow: Out-of-bounds read in SGI RLE image reader (CVE-2021-25293)
python-pillow: Excessive memory allocation in BLP image reader (CVE-2021-27921)
python-pillow: Excessive memory allocation in ICNS image reader (CVE-2021-27922)
python-pillow: Excessive memory allocation in ICO image reader (CVE-2021-27923)
python-pillow: Excessive memory allocation in PSD image reader (CVE-2021-28675)
python-pillow: Infinite loop in FLI image reader (CVE-2021-28676)
python-pillow: Excessive CPU use in EPS image reader (CVE-2021-28677)
python-pillow: Excessive looping in BLP image reader (CVE-2021-28678)
python-pillow: Buffer overflow in image convert function (CVE-2021-34552)
python-pillow: Buffer over-read in PCX image reader (CVE-2020-35653)
python-pillow: Buffer over-read in SGI RLE image reader (CVE-2020-35655)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.5 Release Notes linked from the References section.