Security update for ignition

Announcement ID: SUSE-SU-2026:1208-1
Release Date: 2026-04-08T07:12:24Z
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2026-33186 ( SUSE ): 8.6 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
  • CVE-2026-33186 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
  • CVE-2026-33186 ( NVD ): 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected Products:
  • SUSE Linux Enterprise Micro 5.4
  • SUSE Linux Enterprise Micro for Rancher 5.4

An update that solves one vulnerability can now be installed.

Description:

This update for ignition fixes the following issue:

  • CVE-2026-33186: google.golang.org/grpc: authorization bypass due to improper validation of the HTTP/2: path pseudo- header (bsc#1260251)

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 for Rancher 5.4
    zypper in -t patch SUSE-SLE-Micro-5.4-2026-1208=1
  • SUSE Linux Enterprise Micro 5.4
    zypper in -t patch SUSE-SLE-Micro-5.4-2026-1208=1

Package List:

  • SUSE Linux Enterprise Micro for Rancher 5.4 (aarch64 s390x x86_64)
    • ignition-debuginfo-2.15.0-150400.4.14.1
    • ignition-dracut-grub2-2.15.0-150400.4.14.1
    • ignition-2.15.0-150400.4.14.1
  • SUSE Linux Enterprise Micro 5.4 (aarch64 s390x x86_64)
    • ignition-debuginfo-2.15.0-150400.4.14.1
    • ignition-dracut-grub2-2.15.0-150400.4.14.1
    • ignition-2.15.0-150400.4.14.1

References: