CVE-2020-12267
CRITICALQt < 5.14.2 - Use-After-Free in QTextMarkdownImporter
Title source: llmDescription
setMarkdown in Qt before 5.14.2 has a use-after-free related to QTextMarkdownImporter::insertBlock.
References (3)
Core 3
Core References
Exploit, Issue Tracking, Third Party Advisory x_refsource_misc
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20450
Patch, Third Party Advisory x_refsource_confirm
https://codereview.qt-project.org/c/qt/qtbase/+/291706
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/202007-38
Scores
CVSS v3
9.8
EPSS
0.0235
EPSS Percentile
81.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-416
Status
published
Products (1)
qt/qt
5.14.1
Published
Apr 27, 2020
Tracked Since
Feb 18, 2026