Bug 1837471 (CVE-2020-12267) - CVE-2020-12267 qt: use-after-free related to QTextMarkdownImporter::insertBlock
Summary: CVE-2020-12267 qt: use-after-free related to QTextMarkdownImporter::insertBlock
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2020-12267
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1837480 1837482 1837484
Blocks: 1837485
TreeView+ depends on / blocked
 
Reported: 2020-05-19 14:15 UTC by Marian Rehak
Modified: 2020-06-10 12:05 UTC (History)
10 users (show)

Fixed In Version: qt5 5.14.2
Doc Type: If docs needed, set a value
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Clone Of:
Environment:
Last Closed: 2020-05-20 14:53:20 UTC
Embargoed:

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Description Marian Rehak 2020-05-19 14:15:11 UTC 
It was possible to end up with a dangling pointer in m_listStack, which could result in use-after-free.
Comment 1 Marian Rehak 2020-05-19 14:16:02 UTC 
Upstream Reference:

https://codereview.qt-project.org/c/qt/qtbase/+/291706
Comment 2 Marian Rehak 2020-05-19 14:18:50 UTC 
Created qt tracking bugs for this issue:

Affects: fedora-all [bug 1837480]


Created qt3 tracking bugs for this issue:

Affects: fedora-all [bug 1837482]
Comment 3 Marian Rehak 2020-05-19 14:20:52 UTC 
Created qt5 tracking bugs for this issue:

Affects: fedora-all [bug 1837484]
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