RHSA-2026:93077 — Security Advisory
Red Hat Security Advisory: python-pillow security update
Severity
CriticalRed Hat Product Security
Products
Official CSAF product identity
Published · October 31, 2026
Updated · November 4, 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 Critical. 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):
-
pillow: Pillow: Heap buffer overflow in _tiffWriteProc when saving TIFF to BytesIO (CVE-2026-112393)
-
pillow: Pillow: Heap buffer overflow in FlashPix (FPX) JPEG decoding leads to code execution (CVE-2026-112398)
-
pillow: Pillow: Argument Injection in Ghostscript call, potentially leading into RCE (CVE-2026-112900)
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.