VULNERABILITY INTELLIGENCE

CVE-2019-18281

CVSS score4.3 MEDIUM

EPSS probability2.05%

CISA KEVNot currently listed

Published2019-10-23

Last modified2026-06-17

Description

An out-of-bounds memory access in the generateDirectionalRuns() function in qtextengine.cpp in Qt qtbase 5.11.x and 5.12.x before 5.12.5 allows attackers to cause a denial of service by crashing an application via a text file containing many directional characters.