CVE-2023-43114
Publication date 18 September 2023
Last updated 11 July 2025
Ubuntu priority
Cvss 3 Severity Score
Description
An issue was discovered in Qt before 5.15.16, 6.x before 6.2.10, and 6.3.x through 6.5.x before 6.5.3 on Windows. When using the GDI font engine, if a corrupted font is loaded via QFontDatabase::addApplicationFont{FromData], then it can cause the application to crash because of missing length checks.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| qt4-x11 | 25.10 questing | Not in release |
| 25.04 plucky | Not in release | |
| 24.04 LTS noble | Not in release | |
| 22.04 LTS jammy | Not in release | |
| 20.04 LTS focal | Not in release | |
| 18.04 LTS bionic |
Needs evaluation
|
|
| 16.04 LTS xenial |
Needs evaluation
|
|
| 14.04 LTS trusty |
Needs evaluation
|
|
| qt6-base | 25.10 questing |
Needs evaluation
|
| 25.04 plucky |
Needs evaluation
|
|
| 24.04 LTS noble |
Needs evaluation
|
|
| 22.04 LTS jammy |
Needs evaluation
|
|
| 20.04 LTS focal | Not in release | |
| 18.04 LTS bionic | Ignored end of standard support | |
| 16.04 LTS xenial | Ignored end of standard support | |
| 14.04 LTS trusty | Ignored end of standard support | |
| qtbase-opensource-src | 25.10 questing | Ignored only affects Windows |
| 25.04 plucky | Ignored only affects Windows | |
| 24.04 LTS noble | Ignored only affects Windows | |
| 22.04 LTS jammy | Ignored only affects Windows | |
| 20.04 LTS focal | Ignored only affects Windows | |
| 18.04 LTS bionic | Ignored only affects Windows | |
| 16.04 LTS xenial | Ignored only affects Windows | |
| 14.04 LTS trusty | Ignored end of standard support | |
| qtbase-opensource-src-gles | 25.10 questing | Ignored Windows only |
| 25.04 plucky | Ignored Windows only | |
| 24.04 LTS noble | Ignored Windows only | |
| 22.04 LTS jammy | Ignored Windows only | |
| 20.04 LTS focal | Ignored Windows only | |
| 18.04 LTS bionic | Ignored end of standard support | |
| 16.04 LTS xenial | Ignored Windows only | |
| 14.04 LTS trusty | Ignored end of standard support |
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
|
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |