Issued at: 2026-10-30
Updated at: 2026-10-31
Advisory content derived from Red Hat RHSA-2026:92639, © Red Hat, Inc., used under CC BY 4.0, with modifications.
Synopsis
Important: python-pillow security update
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: Denial of Service via unbounded recursion in PDF parser (CVE-2026-112391)
* pillow: pillow: Denial of service via double free during image transformation (CVE-2026-112402)
* pillow: pillow: Denial of Service via zero-size images in rank filters (CVE-2026-112392)
* pillow: pillow: Denial of Service via out-of-bounds memory access on zero-width images (CVE-2026-112397)
* pillow: Pillow: Denial of Service via null pointer dereference in Image.merge() (CVE-2026-112405)
* pillow: pillow: Denial of Service via crafted multi-frame image conversion (CVE-2026-112894)
* pillow: pillow: Denial of service via crafted PDF during append operations (CVE-2026-112895)
* pillow: pillow: Denial of Service via infinite loop during PDF page rewriting (CVE-2026-112406)
* pillow: pillow: Denial of Service via duplicate page references in PDF files (CVE-2026-96640)
* pillow: pillow: Denial of Service via unbounded memory expansion in MSP image decoder (CVE-2026-112892)
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.