National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2019-18281 Detail

Current Description

An out-of-bounds memory access in the generateDirectionalRuns() function in qtextengine.cpp in Qt qtbase 5.11.x and 5.12.x before 5.12.5 allows attackers to cause a denial of service by crashing an application via a text file containing many directional characters.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 7.5 HIGH
Vector:  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://bugreports.qt.io/browse/QTBUG-77819 Permissions Required
https://bugs.launchpad.net/ubuntu/+source/qtbase-opensource-src/+bug/1848784 Issue Tracking Third Party Advisory
https://codereview.qt-project.org/c/qt/qtbase/+/271889 Patch Vendor Advisory
https://seclists.org/bugtraq/2019/Nov/4
https://www.debian.org/security/2019/dsa-4556

Weakness Enumeration

CWE-ID CWE Name Source
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer NIST  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:qt:qtbase:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
5.11.0
Up to (including)
5.11.3
 cpe:2.3:a:qt:qtbase:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
5.12.0
Up to (excluding)
5.12.5


Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-18281
NVD Published Date:
10/23/2019
NVD Last Modified:
11/01/2019