CVE-2019-14452: Canonical Ubuntu Linux

High severity, CVSS 7.5. EPSS: 3.7% chance of exploitation in the next 30 days.

Sigil before 0.9.16 is vulnerable to a directory traversal, allowing attackers to write arbitrary files via a ../ (dot dot slash) in a ZIP archive entry that is mishandled during extraction.

Affected products

• Canonical Ubuntu Linux: version 16.04 only; version 18.04 only; version 19.04 only
• Flightcrew Project Flightcrew: from 0.9.2
• Sigil-Ebook Sigil: before 0.9.16 (fixed in 0.9.16)

Published 2019-07-31. Last modified 2026-06-17.