Bug#1117445: qt6-svg: CVE-2025-10729

[Salvatore Bonaccorso <carnil@debian.org>]

Source: qt6-svg
Version: 6.9.2-2
Severity: important
Tags: security upstream
Forwarded: https://codereview.qt-project.org/c/qt/qtsvg/+/676473
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>
Control: clone -1 -2
Control: reassign -2 src:qtsvg-opensource-src 5.15.17-2
Control: retitle -2 qtsvg-opensource-src: CVE-2025-10729

Hi,

The following vulnerability was published for qtsvg.

CVE-2025-10729[0]:
| The module will parse a <pattern> node which is not a child of a
| structural node. The node will be deleted after creation but might
| be accessed later leading to a use after free.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2025-10729
    https://www.cve.org/CVERecord?id=CVE-2025-10729
[1] https://codereview.qt-project.org/c/qt/qtsvg/+/676473

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore