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Status published
Medium
CVE-2019-18281
An out-of-bounds memory access in the generateDirectionalRuns() function in qtextengine.cpp...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://bugreports.qt.io/browse/QTBUG-77819
- https://codereview.qt-project.org/c/qt/qtbase/+/271889
- https://bugs.launchpad.net/ubuntu/+source/qtbase-opensource-src/+bug/1848784
- https://www.debian.org/security/2019/dsa-4556
- https://seclists.org/bugtraq/2019/Nov/4
- https://usn.ubuntu.com/4275-1/
- https://security.gentoo.org/glsa/202003-60
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Affected Vendor
Affected Software
qtbase, debian linux
Vulnerable Versions:
5.11.0, 5.12.0, 9.0, 10.0
Timeline
Official Publish:
October 23rd, 2019
Last Modified:
August 5th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.