CVE-2019-18281

MediumCVSS 4.3/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 4.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Weakness enumeration

CWE-119

Affected software

No affected versions have been published.

Timeline

Published
Oct 23, 2019
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2019-18281: Medium severity, CVSS 4.3 | Vulnix