SUSE alert openSUSE-SU-2026:20831-1 (python-pillow)

From:
             
 
null@suse.de
To:
             
 
security-announce@lists.opensuse.org
Subject:
             
 
openSUSE-SU-2026:20831-1: important: Security update for python-Pillow
Date:
             
 
Fri, 29 May 2026 17:51:21 +0200
Message-ID:
             
 
<20260529155121.DA4C1FCCC@maintenance.suse.de>
Archive-link:
             
 
Article
openSUSE security update: security update for python-pillow
-------------------------------------------------------------

Announcement ID: openSUSE-SU-2026:20831-1
Rating: important
References:

  * bsc#1265153
  * bsc#1265154
  * bsc#1265359



Cross-References:

  * CVE-2026-42308
  * CVE-2026-42309
  * CVE-2026-42310



CVSS scores:

  * CVE-2026-42308 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-42308 ( 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
  * CVE-2026-42309 ( SUSE ): 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
  * CVE-2026-42309 ( SUSE ): 8.8 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-42310 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products:

         openSUSE Leap 16.0

-------------------------------------------------------------

An update that solves 3 vulnerabilities and has 3 bug fixes can now be installed.

Description:

This update for python-Pillow fixes the following issues

- CVE-2026-42308: integer overflow in font processing can lead to denial of service (bsc#1265359).
- CVE-2026-42309: heap buffer overflow when processing nested list coordinates (bsc#1265153).
- CVE-2026-42310: infinite loop and resource exhaustion when processing specially crafted PDFs
(bsc#1265154).


Patch instructions:

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

- openSUSE Leap 16.0

   zypper in -t patch openSUSE-Leap-16.0-820=1

Package List:

- openSUSE Leap 16.0:

  python313-Pillow-11.3.0-160000.5.1
  python313-Pillow-tk-11.3.0-160000.5.1

References:

  * https://www.suse.com/security/cve/CVE-2026-42308.html
  * https://www.suse.com/security/cve/CVE-2026-42309.html
  * https://www.suse.com/security/cve/CVE-2026-42310.html