An issue was discovered in Qt before 5.11.3. There is QTgaFile Uncontrolled Resource Consumption.
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00002.html
https://access.redhat.com/errata/RHSA-2019:2135
https://blog.qt.io/blog/2018/12/04/qt-5-11-3-released-important-security-updates/
https://codereview.qt-project.org/#/c/237761/
https://lists.debian.org/debian-lts-announce/2019/05/msg00014.html
https://lists.debian.org/debian-lts-announce/2020/09/msg00023.html
Source: MITRE
Published: 2018-12-26
Updated: 2020-09-28
Type: CWE-400
Base Score: 4.3
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 8.6
Severity: MEDIUM
Base Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 2.8
Severity: MEDIUM