RHSA-2026:99166HighCVSS 7.8

Red Hat Security Advisory: vim security, bug fix, and enhancement update

Published
November 12, 2026
Last Modified
November 12, 2026

🔗 CVE IDs covered (1)

CVE-2026-43961 →

📋 Description

CVE-2026-43961 — vim: Vimscript injection via unescaped filename in netrw s:NetrwMarkFile() filter() expression allows arbitrary code execution

🎯 Affected products68

  • Red Hat Enterprise Linux AppStream EUS (v.9.8)
  • Red Hat Enterprise Linux BaseOS EUS (v.9.8)
  • vim-2:8.2.2637-44.el9_8.src as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.8)
  • vim-X11-2:8.2.2637-44.el9_8.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.8)
  • vim-X11-2:8.2.2637-44.el9_8.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v.9.8)
  • vim-X11-2:8.2.2637-44.el9_8.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v.9.8)
  • vim-X11-2:8.2.2637-44.el9_8.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.8)
  • vim-X11-debuginfo-2:8.2.2637-44.el9_8.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.8)
  • vim-X11-debuginfo-2:8.2.2637-44.el9_8.aarch64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.8)
  • vim-X11-debuginfo-2:8.2.2637-44.el9_8.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v.9.8)
  • vim-X11-debuginfo-2:8.2.2637-44.el9_8.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.8)
  • vim-X11-debuginfo-2:8.2.2637-44.el9_8.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v.9.8)
  • vim-X11-debuginfo-2:8.2.2637-44.el9_8.s390x as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.8)
  • vim-X11-debuginfo-2:8.2.2637-44.el9_8.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.8)
  • vim-X11-debuginfo-2:8.2.2637-44.el9_8.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.8)
  • vim-common-2:8.2.2637-44.el9_8.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.8)
  • vim-common-2:8.2.2637-44.el9_8.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v.9.8)
  • vim-common-2:8.2.2637-44.el9_8.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v.9.8)
  • vim-common-2:8.2.2637-44.el9_8.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.8)
  • vim-common-debuginfo-2:8.2.2637-44.el9_8.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.8)
  • vim-common-debuginfo-2:8.2.2637-44.el9_8.aarch64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.8)
  • vim-common-debuginfo-2:8.2.2637-44.el9_8.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v.9.8)
  • vim-common-debuginfo-2:8.2.2637-44.el9_8.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.8)
  • vim-common-debuginfo-2:8.2.2637-44.el9_8.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v.9.8)
  • vim-common-debuginfo-2:8.2.2637-44.el9_8.s390x as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.8)
  • vim-common-debuginfo-2:8.2.2637-44.el9_8.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.8)
  • vim-common-debuginfo-2:8.2.2637-44.el9_8.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.8)
  • vim-debuginfo-2:8.2.2637-44.el9_8.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.8)
  • vim-debuginfo-2:8.2.2637-44.el9_8.aarch64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.8)
  • vim-debuginfo-2:8.2.2637-44.el9_8.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v.9.8)
  • +38 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 issue, users should avoid browsing untrusted directories or interacting with files from untrusted sources using Vim's netrw plugin. Exercise caution when opening directories that may contain maliciously crafted filenames.

🔗 References (4)