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CVE-2025-3512

Buffer overflow in QTextMarkdownImporter

CVSS 4.8 MEDIUMEPSS 0.2%CWE-122
There is a Heap-based Buffer Overflow vulnerability in QTextMarkdownImporter. This requires an incorrectly formatted markdown file to be passed to QTextMarkdownImporter to trigger the overflow.This issue affects Qt from 6.8.0 to 6.8.4. Versions up to 6.6.0 are known to be unaffected, and the fix is in 6.8.4 and later.
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/U:Clear
Affected products
The Qt Company · Qt

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References
https://codereview.qt-project.org/c/qt/qtbase/+/635546http://www.openwall.com/lists/oss-security/2025/04/24/4http://www.openwall.com/lists/oss-security/2025/04/24/5http://www.openwall.com/lists/oss-security/2025/04/24/6http://www.openwall.com/lists/oss-security/2025/04/25/1http://www.openwall.com/lists/oss-security/2025/04/25/2