CVE-2018-10119: Canonical Ubuntu Linux

High severity, CVSS 7.8. EPSS: 1.9% chance of exploitation in the next 30 days.

sot/source/sdstor/stgstrms.cxx in LibreOffice before 5.4.5.1 and 6.x before 6.0.1.1 uses an incorrect integer data type in the StgSmallStrm class, which allows remote attackers to cause a denial of service (use-after-free with write access) or possibly have unspecified other impact via a crafted document that uses the structured storage ole2 wrapper file format.

Affected products

• Canonical Ubuntu Linux: version 14.04 only; version 16.04 only
• Debian Debian Linux: version 7.0 only; version 8.0 only; version 9.0 only
• Libreoffice Libreoffice: before 5.4.5.1 (fixed in 5.4.5.1); from 6.0.0, before 6.0.1.1 (fixed in 6.0.1.1)
• Red Hat Enterprise Linux Desktop: version 7.0 only
• Red Hat Enterprise Linux Server: version 7.0 only
• Red Hat Enterprise Linux Workstation: version 7.0 only

Published 2018-04-16. Last modified 2026-06-17.