CVE-2020-12267

qt: use-after-free related to QTextMarkdownImporter::insertBlock

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Severity

Moderate

Red Hat Product Security

9.8

CVSS 3.1

Review impact separately from score.

Published · April 27, 2020

Updated · January 14, 2026

Description

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

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE-416 · Use After Free