SUSE alert SUSE-SU-2026:2794-1 (libXfont2)

From:
             
 
SLE-SECURITY-UPDATES <null@suse.de>
To:
             
 
sle-security-updates@lists.suse.com
Subject:
             
 
SUSE-SU-2026:2794-1: important: Security update for libXfont2
Date:
             
 
Wed, 08 Jul 2026 16:39:48 -0000
Message-ID:
             
 
<178352878821.452.3384015621180339772@57e59d802799>
# Security update for libXfont2

Announcement ID: SUSE-SU-2026:2794-1  
Release Date: 2026-07-08T08:08:25Z  
Rating: important  
References:

  * bsc#1269018
  * bsc#1269019
  * bsc#1269020

  
Cross-References:

  * CVE-2026-56001
  * CVE-2026-56002
  * CVE-2026-56003

  
CVSS scores:

  * CVE-2026-56001 ( SUSE ):  7.0
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-56001 ( SUSE ):  7.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
  * CVE-2026-56001 ( NVD ):  8.5 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
  * CVE-2026-56002 ( SUSE ):  7.0
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-56002 ( SUSE ):  7.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
  * CVE-2026-56002 ( NVD ):  8.5 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
  * CVE-2026-56003 ( SUSE ):  7.0
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-56003 ( SUSE ):  7.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
  * CVE-2026-56003 ( NVD ):  8.5 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

  
Affected Products:

  * Basesystem Module 15-SP7
  * SUSE Linux Enterprise Desktop 15 SP7
  * SUSE Linux Enterprise High Performance Computing 15 SP4
  * SUSE Linux Enterprise High Performance Computing 15 SP5
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
  * SUSE Linux Enterprise Real Time 15 SP7
  * SUSE Linux Enterprise Server 15 SP4
  * SUSE Linux Enterprise Server 15 SP4 LTSS
  * SUSE Linux Enterprise Server 15 SP5
  * SUSE Linux Enterprise Server 15 SP5 LTSS
  * SUSE Linux Enterprise Server 15 SP6
  * SUSE Linux Enterprise Server 15 SP6 LTSS
  * SUSE Linux Enterprise Server 15 SP7
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6
  * SUSE Linux Enterprise Server for SAP Applications 15 SP7

  
  
An update that solves three vulnerabilities can now be installed.

## Description:

This update for libXfont2 fixes the following issues

  * CVE-2026-56001: integer overflow in `BitmapScaleBitmaps` can lead to a heap
    buffer overflow (bsc#1269018).
  * CVE-2026-56002: insufficient checks in `pcfReadFont` can lead to a heap
    buffer overflow (bsc#1269019).
  * CVE-2026-56003: missing bounds check in `ComputeScaledProperties` can lead
    to a heap buffer overflow (bsc#1269020).

## 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 15 SP6 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-2794=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP4  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-2794=1

  * SUSE Linux Enterprise Server 15 SP5 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-2794=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-2794=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP6  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-2794=1

  * SUSE Linux Enterprise Server 15 SP4 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-2794=1

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-2794=1

  * Basesystem Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-2794=1

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-2794=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-2794=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP5  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-2794=1

## Package List:

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64)
    * libXfont2-devel-2.0.3-150000.3.3.1
    * libXfont2-2-debuginfo-2.0.3-150000.3.3.1
    * libXfont2-2-2.0.3-150000.3.3.1
    * libXfont2-debugsource-2.0.3-150000.3.3.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64)
    * libXfont2-devel-2.0.3-150000.3.3.1
    * libXfont2-2-debuginfo-2.0.3-150000.3.3.1
    * libXfont2-2-2.0.3-150000.3.3.1
    * libXfont2-debugsource-2.0.3-150000.3.3.1
  * SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x)
    * libXfont2-devel-2.0.3-150000.3.3.1
    * libXfont2-2-debuginfo-2.0.3-150000.3.3.1
    * libXfont2-2-2.0.3-150000.3.3.1
    * libXfont2-debugsource-2.0.3-150000.3.3.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le)
    * libXfont2-devel-2.0.3-150000.3.3.1
    * libXfont2-2-debuginfo-2.0.3-150000.3.3.1
    * libXfont2-2-2.0.3-150000.3.3.1
    * libXfont2-debugsource-2.0.3-150000.3.3.1
  * Basesystem Module 15-SP7 (aarch64 ppc64le s390x)
    * libXfont2-devel-2.0.3-150000.3.3.1
    * libXfont2-2-debuginfo-2.0.3-150000.3.3.1
    * libXfont2-2-2.0.3-150000.3.3.1
    * libXfont2-debugsource-2.0.3-150000.3.3.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le)
    * libXfont2-devel-2.0.3-150000.3.3.1
    * libXfont2-2-debuginfo-2.0.3-150000.3.3.1
    * libXfont2-2-2.0.3-150000.3.3.1
    * libXfont2-debugsource-2.0.3-150000.3.3.1
  * SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x)
    * libXfont2-devel-2.0.3-150000.3.3.1
    * libXfont2-2-debuginfo-2.0.3-150000.3.3.1
    * libXfont2-2-2.0.3-150000.3.3.1
    * libXfont2-debugsource-2.0.3-150000.3.3.1
  * SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x)
    * libXfont2-2-2.0.3-150000.3.3.1
    * libXfont2-devel-2.0.3-150000.3.3.1
    * libXfont2-2-debuginfo-2.0.3-150000.3.3.1
    * libXfont2-debugsource-2.0.3-150000.3.3.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64)
    * libXfont2-devel-2.0.3-150000.3.3.1
    * libXfont2-2-debuginfo-2.0.3-150000.3.3.1
    * libXfont2-2-2.0.3-150000.3.3.1
    * libXfont2-debugsource-2.0.3-150000.3.3.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64)
    * libXfont2-devel-2.0.3-150000.3.3.1
    * libXfont2-2-debuginfo-2.0.3-150000.3.3.1
    * libXfont2-2-2.0.3-150000.3.3.1
    * libXfont2-debugsource-2.0.3-150000.3.3.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le)
    * libXfont2-2-2.0.3-150000.3.3.1
    * libXfont2-devel-2.0.3-150000.3.3.1
    * libXfont2-2-debuginfo-2.0.3-150000.3.3.1
    * libXfont2-debugsource-2.0.3-150000.3.3.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-56001.html
  * https://www.suse.com/security/cve/CVE-2026-56002.html
  * https://www.suse.com/security/cve/CVE-2026-56003.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1269018
  * https://bugzilla.suse.com/show_bug.cgi?id=1269019
  * https://bugzilla.suse.com/show_bug.cgi?id=1269020



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