Security update for expat

Announcement ID: SUSE-SU-2026:1137-1
Release Date: 2026-03-28T02:34:02Z
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2026-32776 ( SUSE ): 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  • CVE-2026-32776 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2026-32776 ( NVD ): 4.0 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  • CVE-2026-32776 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • CVE-2026-32777 ( SUSE ): 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  • CVE-2026-32777 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2026-32777 ( NVD ): 4.0 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  • CVE-2026-32777 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • CVE-2026-32778 ( SUSE ): 8.2 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  • CVE-2026-32778 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2026-32778 ( NVD ): 2.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
  • CVE-2026-32778 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products:
  • SUSE Linux Enterprise Micro 5.2
  • SUSE Linux Enterprise Micro for Rancher 5.2

An update that solves three vulnerabilities can now be installed.

Description:

This update for expat fixes the following issues:

  • CVE-2026-32776: NULL pointer dereference when processing empty external parameter entities inside an entity declaration value (bsc#1259726).
  • CVE-2026-32777: denial of service due to infinite loop in DTD content parsing (bsc#1259711).
  • CVE-2026-32778: NULL pointer dereference in setContext on retry after an out-of-memory condition (bsc#1259729).

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 Micro 5.2
    zypper in -t patch SUSE-SUSE-MicroOS-5.2-2026-1137=1
  • SUSE Linux Enterprise Micro for Rancher 5.2
    zypper in -t patch SUSE-SUSE-MicroOS-5.2-2026-1137=1

Package List:

  • SUSE Linux Enterprise Micro 5.2 (aarch64 s390x x86_64)
    • expat-debugsource-2.7.1-150000.3.45.1
    • libexpat1-2.7.1-150000.3.45.1
    • expat-debuginfo-2.7.1-150000.3.45.1
    • libexpat1-debuginfo-2.7.1-150000.3.45.1
  • SUSE Linux Enterprise Micro for Rancher 5.2 (aarch64 s390x x86_64)
    • expat-debugsource-2.7.1-150000.3.45.1
    • libexpat1-2.7.1-150000.3.45.1
    • expat-debuginfo-2.7.1-150000.3.45.1
    • libexpat1-debuginfo-2.7.1-150000.3.45.1

References: