CVE-2018-7247: Leptonica

Critical severity, CVSS 9.8. EPSS: 2.4% chance of exploitation in the next 30 days.

An issue was discovered in pixHtmlViewer in prog/htmlviewer.c in Leptonica before 1.75.3. Unsanitized input (rootname) can overflow a buffer, leading potentially to arbitrary code execution or possibly unspecified other impact.

Affected products

• Leptonica Leptonica: before 1.75.3 (fixed in 1.75.3)

Published 2018-02-19. Last modified 2026-06-17.