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4.8 Medium

CVE-2025-3512 There is a Heap-based Buffer Overflow vulnerability in QTextMarkdownImporter

Description

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.

Affected products and versions

Product Affected versions Fixed in
Qt 6.8 6.8.0 → < 6.8.4 6.8.4
Qt 6.6 6.6.0 → < 6.8.0 6.8.0
Qt 6.8 6.8.0 → < 6.8.4 6.8.4
Qt 6.6 6.6.0 → < 6.8.0 6.8.0

References

Timeline

  1. Published
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