SUSE-SU-2026:23151-1: critical: Security update for libXfont2

[SLE-SECURITY-UPDATES]

# Security update for libXfont2

Announcement ID: SUSE-SU-2026:23151-1  
Release Date: 2026-08-06T09:12:13Z  
Rating: critical  
References:

  * bsc#1272660
  * bsc#1272661

  
Cross-References:

  * CVE-2026-44950
  * CVE-2026-59679

  
CVSS scores:

  * CVE-2026-44950 ( SUSE ):  9.5
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
  * CVE-2026-44950 ( SUSE ):  9.0 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
  * CVE-2026-59679 ( SUSE ):  9.2
    CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-59679 ( SUSE ):  9.0 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

  
Affected Products:

  * SUSE Linux Enterprise Server for SAP applications 16.0

  
  
An update that solves two vulnerabilities can now be installed.

## Description:

This update for libXfont2 fixes the following issues:

  * CVE-2026-44950: fs_read_glyphs() heap buffer overflow via cumulative glyph
    data overflow (bsc#1272661).
  * CVE-2026-59679: fs_read_glyphs() heap OOB read/write via encoding array
    index mismatch (bsc#1272660).

## 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-16.0-1438=1

## Package List:

  * SUSE Linux Enterprise Server for SAP applications 16.0 (ppc64le x86_64)
    * libXfont2-2-2.0.7-160000.5.1
    * libXfont2-debugsource-2.0.7-160000.5.1
    * libXfont2-devel-2.0.7-160000.5.1
    * libXfont2-2-debuginfo-2.0.7-160000.5.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-44950.html
  * https://www.suse.com/security/cve/CVE-2026-59679.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1272660
  * https://bugzilla.suse.com/show_bug.cgi?id=1272661

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