Issued:
2026-08-10
Updated:
2026-08-10

RHSA-2026:52551 - Important: python-pillow security update

Synopsis

Important: python-pillow security update

Type/Severity

Security Advisory: Important

Topic

An update for python-pillow is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On.

Red Hat Product Security has rated this update as having a security impact of Important. 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

Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems.

Security Fix(es):

  • python-pillow: Pillow: Denial of Service via crafted BDF font file (CVE-2026-55379)

  • python-pillow: Pillow: Denial of Service via crafted GD 2.x image file (CVE-2026-55380)

  • python-pillow: Pillow: Denial of Service via crafted PCF font data (CVE-2026-54059)

  • python-pillow: Pillow: Denial of Service via excessive memory allocation when processing font files (CVE-2026-54060)

  • Pillow: Pillow: Native heap out-of-bounds write (CVE-2026-59197)

  • Pillow: Pillow: Memory disclosure or denial of service via crafted McIdas AREA image (CVE-2026-54058)

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.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

ProductVersionArch
Red Hat Enterprise Linux for x86_64 - Extended Life Cycle Long Life8.4x86_64
Red Hat Enterprise Linux Server - AUS8.4x86_64

Updated Packages

  • python-pillow-5.1.1-15.el8_4.2.src.rpm
  • python-pillow-debuginfo-5.1.1-15.el8_4.2.x86_64.rpm
  • python3-pillow-tk-debuginfo-5.1.1-15.el8_4.2.x86_64.rpm
  • python-pillow-debugsource-5.1.1-15.el8_4.2.x86_64.rpm
  • python3-pillow-5.1.1-15.el8_4.2.x86_64.rpm
  • python3-pillow-debuginfo-5.1.1-15.el8_4.2.x86_64.rpm

Fixes

CVEs

References

Additional information