CVEvulnerability
CVE-2019-18281
4.3 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2019-10-23
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 4.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-119
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.
Affected configurations
• qt qtbase (>= 5.11.0 <= 5.11.3)
• qt qtbase (>= 5.12.0 < 5.12.5)
• debian debian linux 9.0
• debian debian linux 10.0
Related
Weakness · CWE (1)
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer weakness
References
- 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 Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202003-60 security.gentoo.org
- https://usn.ubuntu.com/4275-1/ usn.ubuntu.com
- https://www.debian.org/security/2019/dsa-4556 Third Party Advisory
- 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 Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202003-60 security.gentoo.org
- https://usn.ubuntu.com/4275-1/ usn.ubuntu.com
- https://www.debian.org/security/2019/dsa-4556 Third Party Advisory