RHSA-2026:85944HighCVSS 8.8

Red Hat Security Advisory: gvfs security update

Published
October 20, 2026
Last Modified
October 20, 2026

🔗 CVE IDs covered (2)

CVE-2026-84268 →CVE-2026-88924 →

📋 Description

CVE-2026-84268 — gvfs: SFTP: heap-based buffer overflow in read_reply() CVE-2026-88924 — gvfs: gvfs-admin socket ownership race permits local root

🎯 Affected products76

  • Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • gvfs-0:1.48.1-4.el9_4.1.aarch64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • gvfs-0:1.48.1-4.el9_4.1.ppc64le as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • gvfs-0:1.48.1-4.el9_4.1.s390x as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • gvfs-0:1.48.1-4.el9_4.1.src as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • gvfs-0:1.48.1-4.el9_4.1.x86_64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • gvfs-client-0:1.48.1-4.el9_4.1.aarch64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • gvfs-client-0:1.48.1-4.el9_4.1.i686 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • gvfs-client-0:1.48.1-4.el9_4.1.ppc64le as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • gvfs-client-0:1.48.1-4.el9_4.1.s390x as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • gvfs-client-0:1.48.1-4.el9_4.1.x86_64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • gvfs-client-debuginfo-0:1.48.1-4.el9_4.1.aarch64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • gvfs-client-debuginfo-0:1.48.1-4.el9_4.1.i686 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • gvfs-client-debuginfo-0:1.48.1-4.el9_4.1.ppc64le as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • gvfs-client-debuginfo-0:1.48.1-4.el9_4.1.s390x as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • gvfs-client-debuginfo-0:1.48.1-4.el9_4.1.x86_64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • gvfs-debuginfo-0:1.48.1-4.el9_4.1.aarch64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • gvfs-debuginfo-0:1.48.1-4.el9_4.1.i686 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • gvfs-debuginfo-0:1.48.1-4.el9_4.1.ppc64le as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • gvfs-debuginfo-0:1.48.1-4.el9_4.1.s390x as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • gvfs-debuginfo-0:1.48.1-4.el9_4.1.x86_64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • gvfs-debugsource-0:1.48.1-4.el9_4.1.aarch64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • gvfs-debugsource-0:1.48.1-4.el9_4.1.i686 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • gvfs-debugsource-0:1.48.1-4.el9_4.1.ppc64le as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • gvfs-debugsource-0:1.48.1-4.el9_4.1.s390x as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • gvfs-debugsource-0:1.48.1-4.el9_4.1.x86_64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • gvfs-devel-0:1.48.1-4.el9_4.1.aarch64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • gvfs-devel-0:1.48.1-4.el9_4.1.i686 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • gvfs-devel-0:1.48.1-4.el9_4.1.ppc64le as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • gvfs-devel-0:1.48.1-4.el9_4.1.s390x as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • +46 more not shown

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Workaround: To mitigate this vulnerability, do not connect to untrusted SFTP servers. Workaround: To mitigate this issue, adjust Polkit rules to require password authentication to start gvfsd-admin or remove execute permissions of the gvfsd-admin binary to prevent execution.

🔗 References (5)