Security update for glibc

Announcement ID: SUSE-SU-2026:21682-1
Release Date: 2026-05-15T11:10:41Z
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2026-4046 ( 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-2026-4046 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2026-4046 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2026-5450 ( SUSE ): 5.1 CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
  • CVE-2026-5450 ( SUSE ): 5.9 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
  • CVE-2026-5450 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2026-5928 ( SUSE ): 5.9 CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
  • CVE-2026-5928 ( SUSE ): 5.7 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H
  • CVE-2026-5928 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products:
  • SUSE Linux Micro 6.0

An update that solves three vulnerabilities can now be installed.

Description:

This update for glibc fixes the following issues

  • CVE-2026-4046: assertion failure when converting inputs may be used to remotely crash an application (bsc#1261206).
  • CVE-2026-5450: stdio-common: scanf %mc pattern will cause heap overflow when width > 1024 (bsc#1262465).
  • CVE-2026-5928: libio: ungetwc could be used to leak data on special conditions (bsc#1262464).

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 Micro 6.0
    zypper in -t patch SUSE-SLE-Micro-6.0-710=1

Package List:

  • SUSE Linux Micro 6.0 (aarch64 s390x x86_64)
    • glibc-locale-2.38-13.1
    • glibc-locale-base-2.38-13.1
    • glibc-devel-debuginfo-2.38-13.1
    • glibc-devel-2.38-13.1
    • glibc-debugsource-2.38-13.1
    • glibc-locale-base-debuginfo-2.38-13.1
    • glibc-debuginfo-2.38-13.1
    • glibc-2.38-13.1

References: