openSUSE-SU-2026:21284-1: important: Security update for libXfont2

openSUSE security update: security update for libxfont2
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Announcement ID: openSUSE-SU-2026:21284-1
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 ): 7.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
  * CVE-2026-56001 ( SUSE ): 7 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 ( SUSE ): 7 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 ( SUSE ): 7 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

Affected Products:

         openSUSE Leap 16.0

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

Description:

This update for libXfont2 fixes the following issues

- CVE-2026-56001: BitmapScaleBitmaps Integer Overflow Heap Buffer Overflow (bsc#1269018).
- CVE-2026-56002: PCF Font Parsing Heap Buffer Overflow (bsc#1269019).
- CVE-2026-56003: computeProps Property Buffer Heap Buffer Overflow (bsc#1269020).


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-16.0-1195=1

Package List:

- openSUSE Leap 16.0:

  libXfont2-2-2.0.7-160000.4.1
  libXfont2-devel-2.0.7-160000.4.1

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