CVE-2020-12267

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

View on CVE.org

Published Apr 27, 2020 CVSS 3.1 · 9.8 Critical EPSS 2.4% KEV · Not listed

Description

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

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:qt:qt:5.14.1:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2020-4580	setMarkdown in Qt before 5.14.2 has a use-after-free related to QTextMarkdownImporter::insertBlock.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 2.4% (2.408% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20450
https://codereview.qt-project.org/c/qt/qtbase/+/291706
https://nvd.nist.gov/vuln/detail/CVE-2020-12267
https://security.gentoo.org/glsa/202007-38
https://www.cve.org/CVERecord?id=CVE-2020-12267

History

No history.

Subscriptions

Qt Qt

Weaknesses

CWE-416

Sources

CVE record Updated: Aug 4, 2024, 11:48 AM

Status: PUBLISHED
Assigner: mitre
Published: Apr 27, 2020, 1:31 AM
Updated: Aug 4, 2024, 11:48 AM
Reserved: Apr 27, 2020, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 2:51 AM

Status: Modified
Published: Apr 27, 2020, 2:15 AM
Modified: Jun 17, 2026, 2:51 AM

View source JSON

Red Hat Updated: Apr 27, 2020, 12:00 AM

Severity: Moderate
Public date: Apr 27, 2020, 12:00 AM

View source Bugzilla JSON

OpenCVE enrichment No data

No data.

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