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Known vulnerabilities in Qt

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CVE Summary Score Published
CVE-2025-14575 An Uncontrolled Search Path Element vulnerability in the OpenSSL TLS backend of Qt Network (qtbase) in Qt Qt Framework… 1.8 Low May 19, 2026
CVE-2026-6210 A type confusion vulnerability in Qt SVG allows an attacker to cause an application crash via a crafted SVG image 8.7 High May 6, 2026
CVE-2025-14576 Insufficient validation of node IDs in Qt SVG module allows arbitrary QML/JavaScript code injection when loading… 7.4 High Apr 30, 2026
CVE-2025-12385 Allocation of Resources Without Limits or Throttling, Improper Validation of Specified Quantity in Input vulnerability… 8.7 High Dec 3, 2025
CVE-2025-6338 There is an incomplete cleanup vulnerability in Qt Network's Schannel support on Windows which can lead to a Denial of… 9.2 Critical Oct 16, 2025
CVE-2025-10729 The module will parse a <pattern> node which is not a child of a structural node 9.4 Critical Oct 3, 2025
CVE-2025-10728 When the module renders a Svg file that contains a element, it might end up rendering it recursively leading to stack… 9.4 Critical Oct 3, 2025
CVE-2025-5992 When passing values outside of the expected range to QColorTransferGenericFunction it can cause a denial of service, for… 2.3 Low Jul 11, 2025
CVE-2025-5991 There is a "Use After Free" vulnerability in Qt's QHttp2ProtocolHandler in the QtNetwork module 2.1 Low Jun 11, 2025
CVE-2025-5683 When loading a specifically crafted ICNS format image file in QImage then it will trigger a crash.  This issue affects… 5.1 Medium Jun 5, 2025
CVE-2025-5455 An issue was found in the private API function qDecodeDataUrl() in QtCore, which is used in QTextDocument and… 8.4 High Jun 2, 2025
CVE-2025-4211 Improper Link Resolution Before File Access ('Link Following') vulnerability in QFileSystemEngine in the Qt corelib… 7.3 High May 16, 2025
CVE-2025-3512 There is a Heap-based Buffer Overflow vulnerability in QTextMarkdownImporter 4.8 Medium Apr 11, 2025

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