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9.6
qt5-qtwebengine and qt6-qtwebengine can crash due to large number handling
published 4 days ago
Summary
The web engine components used in Qt5 and Qt6 may miscalculate very large numeric values, which can cause the application to stop working or behave incorrectly. This occurs in versions that rely on Google Chrome versions before 119. Upgrade the Qt web engine packages to versions that incorporate Chrome 119 or later to prevent the issue.
What to do
- Update cleanstart qt5-qtwebengine to version 5.15.16-r3.
- Update cleanstart qt6-qtwebengine to version 6.6.1-r1.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| CleanStart | cleanstart | qt5-qtwebengine |
< 5.15.16-r3 Fix: upgrade to 5.15.16-r3
|
| CleanStart | cleanstart | qt6-qtwebengine |
< 6.6.1-r1 Fix: upgrade to 6.6.1-r1
|
Original advisory text
Integer overflow in Skia in Google Chrome prior to 119
CVE-2023-6345 affects multiple packages. Integer overflow in Skia in Google Chrome prior to 119. See references for individual vulnerability details.
Internet-facing
14 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit (estimated)
- Gives an attacker full control (estimated)
Timeline
Published31 Oct 2026
Updated31 Oct 2026
First seen31 Oct 2026
Sources
CLEANSTART-2024-UZ70457 · OSV
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