Note:
This project will be discontinued after December 13, 2021. [more]
2019-10-23
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.
| Products | Debian_linux, Qtbase |
| Type | Improper Restriction of Operations within the Bounds of a Memory Buffer (CWE-119) |
| First patch | - None (likely due to unavailable code) |
| Links |
• https://codereview.qt-project.org/c/qt/qtbase/+/271889
• https://usn.ubuntu.com/4275-1/ • https://www.debian.org/security/2019/dsa-4556 • https://bugreports.qt.io/browse/QTBUG-77819 • https://bugs.launchpad.net/ubuntu/+source/qtbase-opensource-src/+bug/1848784 |