SUSE-SU-2026:22626-1: important: Security update for python-Pillow

[SLE-UPDATES]

# Security update for python-Pillow

Announcement ID: SUSE-SU-2026:22626-1  
Release Date: 2026-07-10T09:37:43Z  
Rating: important  
References:

  * bsc#1270404
  * bsc#1270409
  * bsc#1270410
  * bsc#1270411
  * bsc#1270412

  
Cross-References:

  * CVE-2026-42311
  * CVE-2026-54059
  * CVE-2026-54060
  * CVE-2026-55379
  * CVE-2026-55380

  
CVSS scores:

  * CVE-2026-42311 ( SUSE ):  8.6
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/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-2026-42311 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2026-42311 ( NVD ):  8.6
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/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-2026-42311 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2026-54059 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-54059 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-54060 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-54060 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-55379 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-55379 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-55380 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-55380 ( 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 five vulnerabilities can now be installed.

## Description:

This update for python-Pillow fixes the following issues

  * CVE-2026-42311: malicious PSD file processing can lead to arbitrary code
    execution (bsc#1270404).
  * CVE-2026-54059: crafted PCF font data can cause excessive memory allocation
    (bsc#1270409).
  * CVE-2026-54060: fonts can trigger excessive memory allocation during
    conversion or saving (bsc#1270410).
  * CVE-2026-55379: bypass of decompression bomb protection allows excessive
    memory allocation (bsc#1270411).
  * CVE-2026-55380: crafted `.gd` file can trigger excessive C-heap allocation
    when loaded (bsc#1270412).

## 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 16.0  
    zypper in -t patch SUSE-SLES-16.0-1207=1

  * SUSE Linux Enterprise Server for SAP applications 16.0  
    zypper in -t patch SUSE-SLES-16.0-1207=1

## Package List:

  * SUSE Linux Enterprise Server for SAP applications 16.0 (ppc64le x86_64)
    * python313-Pillow-tk-11.3.0-160000.6.1
    * python313-Pillow-11.3.0-160000.6.1
    * python313-Pillow-debuginfo-11.3.0-160000.6.1
    * python-Pillow-debuginfo-11.3.0-160000.6.1
    * python-Pillow-debugsource-11.3.0-160000.6.1
    * python313-Pillow-tk-debuginfo-11.3.0-160000.6.1
  * SUSE Linux Enterprise Server 16.0 (aarch64 ppc64le s390x x86_64)
    * python313-Pillow-tk-11.3.0-160000.6.1
    * python313-Pillow-11.3.0-160000.6.1
    * python313-Pillow-debuginfo-11.3.0-160000.6.1
    * python-Pillow-debuginfo-11.3.0-160000.6.1
    * python-Pillow-debugsource-11.3.0-160000.6.1
    * python313-Pillow-tk-debuginfo-11.3.0-160000.6.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-42311.html
  * https://www.suse.com/security/cve/CVE-2026-54059.html
  * https://www.suse.com/security/cve/CVE-2026-54060.html
  * https://www.suse.com/security/cve/CVE-2026-55379.html
  * https://www.suse.com/security/cve/CVE-2026-55380.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1270404
  * https://bugzilla.suse.com/show_bug.cgi?id=1270409
  * https://bugzilla.suse.com/show_bug.cgi?id=1270410
  * https://bugzilla.suse.com/show_bug.cgi?id=1270411
  * https://bugzilla.suse.com/show_bug.cgi?id=1270412

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