RHSA-2026:46387HighCVSS 7.8

Red Hat Security Advisory: libreoffice security update

Published
July 27, 2026
Last Modified
November 6, 2026

🔗 CVE IDs covered (1)

CVE-2026-8357 →

📋 Description

CVE-2026-8357 — libreoffice: LibreOffice Calc: Arbitrary code execution via heap buffer overflow in formula compilation

🎯 Affected products200

  • Red Hat Enterprise Linux AppStream AUS (v.8.4)
  • Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • autocorr-af-1:6.4.7.2-18.el8_4.2.noarch as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
  • autocorr-af-1:6.4.7.2-18.el8_4.2.noarch as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • autocorr-bg-1:6.4.7.2-18.el8_4.2.noarch as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
  • autocorr-bg-1:6.4.7.2-18.el8_4.2.noarch as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • autocorr-ca-1:6.4.7.2-18.el8_4.2.noarch as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
  • autocorr-ca-1:6.4.7.2-18.el8_4.2.noarch as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • autocorr-cs-1:6.4.7.2-18.el8_4.2.noarch as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
  • autocorr-cs-1:6.4.7.2-18.el8_4.2.noarch as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • autocorr-da-1:6.4.7.2-18.el8_4.2.noarch as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
  • autocorr-da-1:6.4.7.2-18.el8_4.2.noarch as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • autocorr-de-1:6.4.7.2-18.el8_4.2.noarch as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
  • autocorr-de-1:6.4.7.2-18.el8_4.2.noarch as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • autocorr-en-1:6.4.7.2-18.el8_4.2.noarch as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
  • autocorr-en-1:6.4.7.2-18.el8_4.2.noarch as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • autocorr-es-1:6.4.7.2-18.el8_4.2.noarch as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
  • autocorr-es-1:6.4.7.2-18.el8_4.2.noarch as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • autocorr-fa-1:6.4.7.2-18.el8_4.2.noarch as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
  • autocorr-fa-1:6.4.7.2-18.el8_4.2.noarch as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • autocorr-fi-1:6.4.7.2-18.el8_4.2.noarch as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
  • autocorr-fi-1:6.4.7.2-18.el8_4.2.noarch as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • autocorr-fr-1:6.4.7.2-18.el8_4.2.noarch as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
  • autocorr-fr-1:6.4.7.2-18.el8_4.2.noarch as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • autocorr-ga-1:6.4.7.2-18.el8_4.2.noarch as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
  • autocorr-ga-1:6.4.7.2-18.el8_4.2.noarch as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • autocorr-hr-1:6.4.7.2-18.el8_4.2.noarch as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
  • autocorr-hr-1:6.4.7.2-18.el8_4.2.noarch as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • autocorr-hu-1:6.4.7.2-18.el8_4.2.noarch as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
  • autocorr-hu-1:6.4.7.2-18.el8_4.2.noarch as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • +170 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: Users should exercise caution when opening untrusted or suspicious spreadsheet documents.

🔗 References (4)