CVE-2020-12267

PoC —

CVSS 3.1

9.8 critical

EPSS

2%p83

Published

Apr 27, 2020 (Apr 27, 2020)

Modified

Jun 17, 2026

Description

setMarkdown in Qt before 5.14.2 has a use-after-free related to QTextMarkdownImporter::insertBlock.

Vendors: qt
Products: qt
Weakness: CWE-416
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (2.4%)

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