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Container Optimized OS Releases Include Security Fixes and Minor Updates

securitygcpsecurity-advisoryengineer
security patch announcement

Several recent Container Optimized OS releases have been published, bringing minor updates and significant security patches. These updates include upgraded packages like logrotate, oslogin, and GPU installers, alongside critical fixes for CVEs affecting containerd and glibc. The changes primarily impact users running workloads on Google Cloud's Container Optimized OS.

  • →cos-129-19506-224-52
  • →cos-dev-133-19879-0-0
  • →cos-125-19216-395-112
  • →cos-121-18867-381-184
  • →cos-117-18613-613-62
Security (2) ›
  • Container Optimized OS

    Fixed CVE-2026-50195, CVE-2026-53488, CVE-2026-53492, CVE-2026-53489, and CVE-2026-47262 in app-containers/containerd.

  • Container Optimized OS

    Fixed CVE-2026-5928 in sys-libs/glibc.

Enhancements (5) ›
Fixes (6) ›
  • Container Optimized OS

    Upgraded app-admin/logrotate to v3.22.0-r1.

  • Container Optimized OS

    Upgraded app-admin/oslogin to v20260605.00.

  • Container Optimized OS

    Upgraded chromeos-base/google-breakpad to v2026.06.03.194714-r275.

  • Container Optimized OS

    Upgraded cos-gpu-installer to v2.7.4.

  • Container Optimized OS

    Upgraded dev-db/sqlite to v3.53.2-r1.

  • Container Optimized OS

    Upgraded sys-apps/less to v704.

Notes (3) ›
  • Container Optimized OS

    Minor changes.

  • Container Optimized OS

    Minor changes.

  • Container Optimized OS

    Minor changes.

Read the original announcement →

https://docs.cloud.google.com/release-notes#June_22_2026

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