SUSE-SU-2026:21382-1: important: Security update for python-Pillow

[SLE-SECURITY-UPDATES]

# Security update for python-Pillow

Announcement ID: SUSE-SU-2026:21382-1  
Release Date: 2026-04-22T21:45:29Z  
Rating: important  
References:

  * bsc#1262184

  
Cross-References:

  * CVE-2026-40192

  
CVSS scores:

  * CVE-2026-40192 ( SUSE ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
  * CVE-2026-40192 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-40192 ( NVD ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
  * CVE-2026-40192 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

  
Affected Products:

  * SUSE Linux Enterprise Server 16.0
  * SUSE Linux Enterprise Server for SAP applications 16.0

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for python-Pillow fixes the following issue:

  * CVE-2026-40192: Versions 10.3.0 through 12.1.1 did not limit the amount of
    GZIP-compressed data read when decoding a FITS image, making them vulnerable
    to decompression bomb attacks (bsc#1262184).

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".  
Alternatively you can run the command listed for your product:

  * SUSE Linux Enterprise Server for SAP applications 16.0  
    zypper in -t patch SUSE-SLES-16.0-629=1

  * SUSE Linux Enterprise Server 16.0  
    zypper in -t patch SUSE-SLES-16.0-629=1

## Package List:

  * SUSE Linux Enterprise Server for SAP applications 16.0 (ppc64le x86_64)
    * python313-Pillow-debuginfo-11.3.0-160000.4.1
    * python313-Pillow-tk-debuginfo-11.3.0-160000.4.1
    * python313-Pillow-11.3.0-160000.4.1
    * python-Pillow-debugsource-11.3.0-160000.4.1
    * python313-Pillow-tk-11.3.0-160000.4.1
    * python-Pillow-debuginfo-11.3.0-160000.4.1
  * SUSE Linux Enterprise Server 16.0 (aarch64 ppc64le s390x x86_64)
    * python313-Pillow-debuginfo-11.3.0-160000.4.1
    * python313-Pillow-tk-debuginfo-11.3.0-160000.4.1
    * python313-Pillow-11.3.0-160000.4.1
    * python-Pillow-debugsource-11.3.0-160000.4.1
    * python313-Pillow-tk-11.3.0-160000.4.1
    * python-Pillow-debuginfo-11.3.0-160000.4.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-40192.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1262184

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