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Qt — Vulnerabilities & Security Advisories 17

All 17 CVE vulnerabilities found in Qt, with AI-generated Chinese analysis, references, and POCs.

Vendor: n/a

CVE IDTitleCVSSSeverityPublished
CVE-2026-6210 Type confusion and heap-buffer-overflow in Qt SVG marker handling causing application crash CWE-843 6.5AIMediumAI2026-05-06
CVE-2025-14576 Possible QML code injection in VectorImage component CWE-94 7.8 -2026-04-30
CVE-2025-12385 Improper validation of <img> tag size in Text component parser CWE-770 7.5AIHighAI2025-12-03
CVE-2025-23050 Qt 缓冲区错误漏洞 CWE-125 3.1 Low2025-10-31
CVE-2025-6338 Possible denial of service with multiple incoming connections to a Schannel based server with a TLS backend CWE-459 7.5AIHighAI2025-10-16
CVE-2025-10729 Use-after-free vulnerability in Qt SVG qsvghandler.cpp allows denial of service via crafted SVG CWE-416 9.8AICriticalAI2025-10-03
CVE-2025-10728 Uncontrolled recursion in Qt SVG module CWE-674 6.2AIMediumAI2025-10-03
CVE-2025-5992 Passing values outside of expected range to QColorTransferGenericFunction can cause a denial of service CWE-20 7.5AIHighAI2025-07-11
CVE-2025-5991 Use after free in QHttp2ProtocolHandler CWE-416 8.1AIHighAI2025-06-11
CVE-2025-5683 Qt 安全漏洞 6.5AIMediumAI2025-06-05
CVE-2025-5455 Possible denial of service when passing malformed data in a URL to qDecodeDataUrl CWE-20 6.5 -2025-06-02
CVE-2025-4211 Improper Link Resolution Before File Access in QFileSystemEngine on Windows CWE-59 8.4AIHighAI2025-05-16
CVE-2025-3512 Buffer overflow in QTextMarkdownImporter CWE-122 9.1AICriticalAI2025-04-11
CVE-2025-30348 Qt 安全漏洞 CWE-407 5.8 Medium2025-03-21
CVE-2022-40983 Qt 输入验证错误漏洞 CWE-190 8.8 -2023-01-12
CVE-2022-43591 Qt 安全漏洞 CWE-122 8.8 -2023-01-12
CVE-2021-3481 Libqt 缓冲区错误漏洞 CWE-125 7.1 -2022-08-22

All 17 known CVE vulnerabilities affecting Qt with full Chinese analysis, references, and POCs where available.