{"id":"DEBIAN-CVE-2019-18281","details":"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.","modified":"2026-09-09T07:02:21.405422891Z","published":"2019-10-23T15:15:14.343Z","upstream":["CVE-2019-18281"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2019-18281"}],"affected":[{"package":{"name":"qtbase-opensource-src","ecosystem":"Debian:12","purl":"pkg:deb/debian/qtbase-opensource-src?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.12.5+dfsg-2"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2019-18281.json"}},{"package":{"name":"qtbase-opensource-src","ecosystem":"Debian:13","purl":"pkg:deb/debian/qtbase-opensource-src?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.12.5+dfsg-2"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2019-18281.json"}},{"package":{"name":"qtbase-opensource-src","ecosystem":"Debian:14","purl":"pkg:deb/debian/qtbase-opensource-src?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.12.5+dfsg-2"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2019-18281.json"}},{"package":{"name":"qtbase-opensource-src-gles","ecosystem":"Debian:12","purl":"pkg:deb/debian/qtbase-opensource-src-gles?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.12.5+dfsg-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2019-18281.json"}},{"package":{"name":"qtbase-opensource-src-gles","ecosystem":"Debian:13","purl":"pkg:deb/debian/qtbase-opensource-src-gles?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.12.5+dfsg-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2019-18281.json"}},{"package":{"name":"qtbase-opensource-src-gles","ecosystem":"Debian:14","purl":"pkg:deb/debian/qtbase-opensource-src-gles?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.12.5+dfsg-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2019-18281.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L"}]}