Hi, Do these two CVEs also affect Qt5? Looking at the fixes and the code in Qt5 I would say they are easily backportable, but the code there is not 1:1. Can someone please confirm Qt5 is also affected?
Thank you. Regards, Jan Grulich pá 3. 10. 2025 v 16:48 odesílatel List for announcements regarding Qt releases and development via Announce via Development < [email protected]> napsal: > > > Two vulnerabilities in Qt SVG module have been discovered. Uncontrolled > recursion vulnerability has been assigned the CVE id CVE-2025-10728. > Whereas Use-After-Free vulnerability has been assigned the CVE id > CVE-2025-10729. > > > > > *Uncontrolled recursion vulnerability in Qt SVG - CVE-2025-10728* > > *Affected versions:* From Qt 6.7.0 to 6.8.4 and from 6.9.0 to 6.9.2. > > > > *Impact:* When the module renders a Svg file that contains a <pattern> > element, it might end up rendering it recursively leading to stack overflow > DoS. > > > > *CVSS 4.0 Score:* 9.4 > > > *Mitigation:* Ensure that all input to the Qt SVG module is only from > trusted sources. > > > > *Solution: *Apply the following patch or update to Qt 6.9.3 or 6.8.5 > > *Patches:* > > dev: https://codereview.qt-project.org/c/qt/qtsvg/+/654200 > Qt 6.9: https://codereview.qt-project.org/c/qt/qtsvg/+/670894 or > https://download.qt.io/official_releases/qt/6.9/CVE-2025-10728-qtsvg-6.9.diff > Qt 6.8: https://codereview.qt-project.org/c/qt/tqtc-qtsvg/+/671537 or > https://download.qt.io/official_releases/qt/6.8/CVE-2025-10728-qtsvg-6.8.diff > > > *Use-After-Free vulnerability in Qt SVG - CVE-2025-10729* > > *Affected versions:* From Qt 6.7.0 to 6.8.4 and from 6.9.0 to 6.9.2. > > > > *Impact: *When the module parses a <pattern> node which is not a child of > a structural node, the node gets deleted after creation but might be > accessed later leading to a use after free. > > > > *CVSS 4.0 Score:* 9.4 > > > > *Mitigation:* Ensure that all input to the Qt SVG module is only from > trusted sources. > > > > *Solution: *Apply the following patch or the patch attached or update to > Qt 6.9.3 or 6.8.5 > > *Patches:* > > dev: https://codereview.qt-project.org/c/qt/qtsvg/+/675562 > Qt 6.9: https://codereview.qt-project.org/c/qt/qtsvg/+/676501 or > https://download.qt.io/official_releases/qt/6.9/CVE-2025-10729-qtsvg-6.9.diff > Qt 6.8: https://codereview.qt-project.org/c/qt/tqtc-qtsvg/+/676621 or > https://download.qt.io/official_releases/qt/6.8/CVE-2025-10729-qtsvg-6.8.diff > > ______________________ > > *Tuukka Kettunen* > > *Senior Manager, Technical Support, Customer Engineering* > > > > > > > > > > > > > > Confidential > _______________________________________________ > Announce mailing list > [email protected] > https://lists.qt-project.org/listinfo/announce > -- > Development mailing list > [email protected] > https://lists.qt-project.org/listinfo/development >
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