CVE-2025-3512

Summary

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 Software

Weaknesses

• CWE-122: CWE-122 Heap-based Buffer Overflow

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

CVE Program Container

Additional References

• http://www.openwall.com/lists/oss-security/2025/04/24/4
• http://www.openwall.com/lists/oss-security/2025/04/24/5
• http://www.openwall.com/lists/oss-security/2025/04/24/6
• http://www.openwall.com/lists/oss-security/2025/04/25/1
• http://www.openwall.com/lists/oss-security/2025/04/25/2

References

• https://codereview.qt-project.org/c/qt/qtbase/+/635546

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