SUSE-SU-2026:0355-1: important: Security update for glib2

[SLE-SECURITY-UPDATES]

# Security update for glib2

Announcement ID: SUSE-SU-2026:0355-1  
Release Date: 2026-01-31T02:04:40Z  
Rating: important  
References:

  * bsc#1257353
  * bsc#1257354
  * bsc#1257355

  
Cross-References:

  * CVE-2026-1484
  * CVE-2026-1485
  * CVE-2026-1489

  
CVSS scores:

  * CVE-2026-1484 ( SUSE ):  9.2
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-1484 ( SUSE ):  8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-1484 ( NVD ):  4.2 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L
  * CVE-2026-1485 ( SUSE ):  4.6
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2026-1485 ( SUSE ):  3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
  * CVE-2026-1485 ( NVD ):  2.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
  * CVE-2026-1489 ( SUSE ):  9.2
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-1489 ( SUSE ):  8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-1489 ( NVD ):  5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L

  
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 glib2 fixes the following issues:

  * CVE-2026-1485: Fixed buffer underflow and out-of-bounds access due to
    integer wraparound in content type parsing (bsc#1257354).
  * CVE-2026-1484: Fixed buffer underflow and out-of-bounds access due to
    miscalculated buffer boundaries in the Base64 encoding routine
    (bsc#1257355).
  * CVE-2026-1489: Fixed undersized heap allocation followed by out-of-bounds
    access due to integer overflow in Unicode case conversion (bsc#1257353).

## 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-5.2-2026-355=1

  * SUSE Linux Enterprise Micro for Rancher 5.2  
    zypper in -t patch SUSE-SUSE-MicroOS-5.2-2026-355=1

## Package List:

  * SUSE Linux Enterprise Micro 5.2 (aarch64 s390x x86_64)
    * libglib-2_0-0-debuginfo-2.62.6-150200.3.42.1
    * glib2-tools-2.62.6-150200.3.42.1
    * libgobject-2_0-0-2.62.6-150200.3.42.1
    * libgobject-2_0-0-debuginfo-2.62.6-150200.3.42.1
    * glib2-debugsource-2.62.6-150200.3.42.1
    * libgio-2_0-0-2.62.6-150200.3.42.1
    * libgmodule-2_0-0-2.62.6-150200.3.42.1
    * libgio-2_0-0-debuginfo-2.62.6-150200.3.42.1
    * libgmodule-2_0-0-debuginfo-2.62.6-150200.3.42.1
    * libglib-2_0-0-2.62.6-150200.3.42.1
    * glib2-tools-debuginfo-2.62.6-150200.3.42.1
  * SUSE Linux Enterprise Micro for Rancher 5.2 (aarch64 s390x x86_64)
    * libglib-2_0-0-debuginfo-2.62.6-150200.3.42.1
    * glib2-tools-2.62.6-150200.3.42.1
    * libgobject-2_0-0-2.62.6-150200.3.42.1
    * libgobject-2_0-0-debuginfo-2.62.6-150200.3.42.1
    * glib2-debugsource-2.62.6-150200.3.42.1
    * libgio-2_0-0-2.62.6-150200.3.42.1
    * libgmodule-2_0-0-2.62.6-150200.3.42.1
    * libgio-2_0-0-debuginfo-2.62.6-150200.3.42.1
    * libgmodule-2_0-0-debuginfo-2.62.6-150200.3.42.1
    * libglib-2_0-0-2.62.6-150200.3.42.1
    * glib2-tools-debuginfo-2.62.6-150200.3.42.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-1484.html
  * https://www.suse.com/security/cve/CVE-2026-1485.html
  * https://www.suse.com/security/cve/CVE-2026-1489.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1257353
  * https://bugzilla.suse.com/show_bug.cgi?id=1257354
  * https://bugzilla.suse.com/show_bug.cgi?id=1257355

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