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Vendor

Qt Project

51 known vulnerabilities.

Products

Qt 41 Qt Framework 5 Qt for MCUs 3 Axivion 2
All Critical High Medium Low Exploited only Public exploit

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  • Critical 9.2
    CVE-2025-6338

    Possible denial of service with multiple incoming connections to a Schannel based server with a TLS backend

    There is an incomplete cleanup vulnerability in Qt Network's Schannel support on Windows which can lead to a Denial of Service over a long period. This issue affects Qt from 5.15.0 through 6.8.3, from 6.9.0 before 6.9.2.

    Qt Project Qt
  • Critical 9.4
    CVE-2025-10729

    Use-after-free vulnerability in Qt SVG qsvghandler.cpp allows denial of service via crafted SVG

    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.

    Qt Project Qt qt5-qtsvg qtsvg-opensource-src Debian Ubuntu Azure Linux
  • Critical 9.4
    CVE-2025-10728

    Uncontrolled recursion in Qt SVG module

    When the module renders a Svg file that contains a <pattern> element, it might end up rendering it recursively leading to stack overflow DoS

    Qt Project Qt qt6-svg qt6-svg Debian Ubuntu