CVE-2025-3512

MEDIUM EPSS 9.7%
Published Apr 11, 20251y ago · Modified Jun 17, 20262w ago
4.8 CVSS 4.0
Medium
Find Similar
Published Apr 11, 2025 1y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
4.8
Exploitability
—
Impact
—
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Clear
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction P
Scope X

Threat Intelligence

EPSS Exploit Probability
9.7% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-122

References 6

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.