Security update for xkbcomp

Announcement ID: SUSE-SU-2025:4407-1
Release Date: 2025-12-15T16:54:15Z
Rating: moderate
References:
Cross-References:
CVSS scores:
  • CVE-2018-15853 ( SUSE ): 3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
  • CVE-2018-15853 ( SUSE ): 3.3 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
  • CVE-2018-15853 ( NVD ): 5.5 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • CVE-2018-15859 ( SUSE ): 3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
  • CVE-2018-15859 ( SUSE ): 3.3 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
  • CVE-2018-15859 ( NVD ): 5.5 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • CVE-2018-15861 ( SUSE ): 3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
  • CVE-2018-15861 ( SUSE ): 3.3 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
  • CVE-2018-15861 ( NVD ): 5.5 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • CVE-2018-15863 ( SUSE ): 3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
  • CVE-2018-15863 ( SUSE ): 3.3 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
  • CVE-2018-15863 ( NVD ): 5.5 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products:
  • SUSE Linux Enterprise Server 12 SP5
  • SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
  • SUSE Linux Enterprise Server for SAP Applications 12 SP5

An update that solves four vulnerabilities can now be installed.

Description:

This update for xkbcomp fixes the following issues:

  • CVE-2018-15863: NULL pointer dereference triggered by a a crafted keymap file with a no-op modmask expression can lead to a crash (bsc#1105832).
  • CVE-2018-15861: NULL pointer dereference triggered by a crafted keymap file that induces an xkb_intern_atom failure can lead to a crash (bsc#1105832).
  • CVE-2018-15859: NULL pointer dereference triggered by a specially a crafted keymap file can lead to a crash (bsc#1105832).
  • CVE-2018-15853: endless recursion triggered by a crafted keymap file that induces boolean negation can lead to a crash (bsc#1105832).

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 12 SP5 LTSS Extended Security
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2025-4407=1

Package List:

  • SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
    • xkbcomp-1.2.4-11.3.1
    • xkbcomp-devel-1.2.4-11.3.1
    • xkbcomp-debugsource-1.2.4-11.3.1
    • xkbcomp-debuginfo-1.2.4-11.3.1

References: