{"id":"UBUNTU-CVE-2018-19870","details":"An issue was discovered in Qt before 5.11.3. A malformed GIF image causes a NULL pointer dereference in QGifHandler resulting in a segmentation fault.","modified":"2026-02-04T04:19:35.959310Z","published":"2018-12-26T00:00:00Z","related":["USN-4003-1"],"upstream":["CVE-2018-19870"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-19870"},{"type":"REPORT","url":"https://blog.qt.io/blog/2018/12/04/qt-5-11-3-released-important-security-updates/"},{"type":"REPORT","url":"https://codereview.qt-project.org/#/c/235998/"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4003-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-19870"}],"affected":[{"package":{"name":"qtbase-opensource-src","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/qtbase-opensource-src@5.5.1+dfsg-16ubuntu7.6?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.5.1+dfsg-16ubuntu7.6"}]}],"versions":["5.4.2+dfsg-2ubuntu9","5.5.1+dfsg-6ubuntu4","5.5.1+dfsg-10ubuntu2","5.5.1+dfsg-13ubuntu1","5.5.1+dfsg-13ubuntu2","5.5.1+dfsg-13ubuntu3","5.5.1+dfsg-14ubuntu1","5.5.1+dfsg-14ubuntu2","5.5.1+dfsg-14ubuntu3","5.5.1+dfsg-15ubuntu1","5.5.1+dfsg-16ubuntu1","5.5.1+dfsg-16ubuntu6","5.5.1+dfsg-16ubuntu7","5.5.1+dfsg-16ubuntu7.1","5.5.1+dfsg-16ubuntu7.2","5.5.1+dfsg-16ubuntu7.5"],"ecosystem_specific":{"availability":"No 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