Upstream information

CVE-2026-112396 at MITRE

Description

Pillow is a Python imaging library. From 11.3.0 until 13.0.0, Pillow has a heap use-after-free when libtiff rejects a tag while encoding TIFF data to an in-memory buffer. When an application saves attacker-influenced TIFF tags to BytesIO, libtiff can reject a tag during encoding in ImagingLibTiffEncode; the error path then frees the output buffer without closing or clearing the TIFF handle, and later cleanup flushes through the write callback into freed memory, which can crash the process and may enable code execution. This issue is fixed in version 13.0.0.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having important severity.

CVSS v3 Scores
CVSS detail CNA (GitHub) National Vulnerability Database SUSE
Base Score 5.9 7.5 8.1
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network Network Network
Attack Complexity High Low High
Privileges Required None None None
User Interaction None None None
Scope Unchanged Unchanged Unchanged
Confidentiality Impact None None High
Integrity Impact None None High
Availability Impact High High High
CVSSv3 Version 3.1 3.1 3.1
CVSS v4 Scores
CVSS detail SUSE
Base Score 9.2
Vector CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Attack Vector Network
Attack Complexity High
Attack Requirements Present
Privileges Required None
User Interaction None
Vulnerable System Confidentiality Impact High
Vulnerable System Integrity Impact High
Vulnerable System Availability Impact High
Subsequent System Confidentiality Impact None
Subsequent System Integrity Impact None
Subsequent System Availability Impact None
CVSSv4 Version 4.0
SUSE Bugzilla entry: 1286313 [IN_PROGRESS]

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References
Container bci/kiwi:10.2.33-8.10
Container bci/ruby:3.4-base-11.1
Container bci/ruby:3.4-micro-11.1
Container suse/nginx:latest
Container suse/rmt-server:3.1-10.1
  • libexslt0 >= 1.1.43-160000.3.1
  • libxslt1 >= 1.1.43-160000.3.1
Container suse/postgres:16.15-contrib-18.4
Container suse/postgres:17.11-contrib-19.4
Container suse/postgres:18.6-contrib-16.4
  • libxslt1 >= 1.1.43-160000.3.1
Container suse/sl-micro/6.0/base-os-container:latest
Container suse/sl-micro/6.0/toolbox:latest
Image SL-Micro
Image SLE-Micro-BYOS-EC2
  • ca-certificates-mozilla >= 2.68-1.1
openSUSE Leap 16.0
  • python313-Pillow >= 11.3.0-160000.9.1
  • python313-Pillow-tk >= 11.3.0-160000.9.1
 Patchnames:
openSUSE-Leap-16.0-2055
openSUSE Tumbleweed
  • python313-Pillow >= 13.0.0-1.1
  • python313-Pillow-tk >= 13.0.0-1.1
  • python314-Pillow >= 13.0.0-1.1
  • python314-Pillow-tk >= 13.0.0-1.1
 Patchnames:
openSUSE-Tumbleweed-2026-12230

List of packages in QA

Product(s) Package(s)
SUSE Linux Enterprise Server 16.0
  • python313-Pillow >= 11.3.0-160000.9.1
  • python313-Pillow-tk >= 11.3.0-160000.9.1
SUSE Linux Enterprise Server for SAP applications 16.0
  • python313-Pillow >= 11.3.0-160000.9.1
  • python313-Pillow-tk >= 11.3.0-160000.9.1

Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s) Source package State
Products under general support and receiving all security fixes.
SUSE Linux Enterprise Desktop 15 SP7 python-Pillow Not affected
SUSE Linux Enterprise Module for Package Hub 15 SP7 python-Pillow Not affected
SUSE Linux Enterprise Module for Python 3 15 SP7 python-Pillow Not affected
SUSE Linux Enterprise Server 15 SP7 python-Pillow Not affected
SUSE Linux Enterprise Server 16.0 python-Pillow In progress
SUSE Linux Enterprise Server 16.1 python-Pillow Released
SUSE Linux Enterprise Server for NVIDIA 16.1 python-Pillow Released
SUSE Linux Enterprise Server for SAP Applications 15 SP7 python-Pillow Not affected
SUSE Linux Enterprise Server for SAP applications 16.0 python-Pillow In progress
SUSE Linux Enterprise Server for SAP applications 16.1 python-Pillow Released
openSUSE Leap 16.0 python-Pillow Released
openSUSE Leap 16.1 python-Pillow Released
Products under Long Term Service Pack support and receiving important and critical security fixes.
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS python-Pillow Not affected
SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS python-Pillow Not affected
SUSE Linux Enterprise Server 15 SP4-LTSS python-Pillow Not affected
SUSE Linux Enterprise Server 15 SP5-LTSS python-Pillow Not affected
SUSE Linux Enterprise Server 15 SP6-LTSS python-Pillow Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP4 python-Pillow Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP5 python-Pillow Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP6 python-Pillow Not affected
Products past their end of life and not receiving proactive updates anymore.
SUSE Linux Enterprise Desktop 15 SP4 python-Pillow Not affected
SUSE Linux Enterprise Desktop 15 SP5 python-Pillow Not affected
SUSE Linux Enterprise Desktop 15 SP6 python-Pillow Not affected
SUSE Linux Enterprise High Performance Computing 15 SP4 python-Pillow Not affected
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS python-Pillow Not affected
SUSE Linux Enterprise High Performance Computing 15 SP5 python-Pillow Not affected
SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS python-Pillow Not affected
SUSE Linux Enterprise Module for Package Hub 15 SP6 python-Pillow Not affected
SUSE Linux Enterprise Module for Python 3 15 SP4 python-Pillow Not affected
SUSE Linux Enterprise Module for Python 3 15 SP5 python-Pillow Not affected
SUSE Linux Enterprise Module for Python 3 15 SP6 python-Pillow Not affected
SUSE Linux Enterprise Server 15 SP4 python-Pillow Not affected
SUSE Linux Enterprise Server 15 SP5 python-Pillow Not affected
SUSE Linux Enterprise Server 15 SP6 python-Pillow Not affected
SUSE Manager Proxy 4.3 python-Pillow Not affected
SUSE Manager Retail Branch Server 4.3 python-Pillow Not affected
SUSE Manager Server 4.3 python-Pillow Not affected
openSUSE Leap 15.3 python-Pillow Not affected
openSUSE Leap 15.4 python-Pillow Not affected
openSUSE Leap 15.5 python-Pillow Not affected
openSUSE Leap 15.6 python-Pillow Not affected

SUSE Timeline for this CVE

CVE page created: Tue Oct 20 17:53:04 2026
CVE page last modified: Tue Nov 10 20:01:05 2026