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CVE-2019-18281

CVE-2019-18281

EPSS 2.1%
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 products
n/a · n/a

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References
https://bugreports.qt.io/browse/QTBUG-77819https://bugs.launchpad.net/ubuntu/+source/qtbase-opensource-src/+bug/1848784https://codereview.qt-project.org/c/qt/qtbase/+/271889https://seclists.org/bugtraq/2019/Nov/4https://security.gentoo.org/glsa/202003-60https://usn.ubuntu.com/4275-1/https://www.debian.org/security/2019/dsa-4556