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VULNERABILITIES

CVE-2019-18281 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:4.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://bugreports.qt.io/browse/QTBUG-77819 CVEPermissions Required
https://bugs.launchpad.net/ubuntu/+source/qtbase-opensource-src/+bug/1848784 CVEIssue TrackingThird Party Advisory
https://codereview.qt-project.org/c/qt/qtbase/+/271889 CVEPatchVendor Advisory
https://seclists.org/bugtraq/2019/Nov/4 CVEMailing ListThird Party Advisory
https://security.gentoo.org/glsa/202003-60 CVE

see all 14 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer[email protected]

Affected Products

ProductVersions
qt qtbase
>= 5.11.0, <= 5.11.3
>= 5.12.0, < 5.12.5

CPE

  • cpe:2.3:a:qt:qtbase:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
debian debian linux
9.0
10.0

CPE

  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

9 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2019-18281
NVD Published Date:
Oct 23, 2019
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2019-18281 Details - Not Deferred