Meltytech Shotcut 25.10.31 is vulnerable to Buffer Overflow. A memory access violation occurs when processing MLT project files with manipulated width and height parameters. By setting these values to extremely large numbers, the application attempts to allocate excessive memory during image processing, triggering a buffer overflow in the mlt_image_fill_white function.
Conclusion & alert: CVE-2025-65834 is rated Moderate Risk (42.8/100): CVSS Critical severity, with low exploitation likelihood (EPSS 0.03%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-05-14 | 0.06% | 0.03% | -0.02% |
| 2 | 2025-12-22 | 0.02% | 0.06% | +0.04% |
| 3 | 2025-12-17 | — | 0.02% | — |
Full EPSS history (3 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| URL | Tags |
|---|---|
| https://bytescan.net/CVE/cve-2025-65834.html | Third Party Advisory |
| https://sourceforge.net/projects/shotcut/files/v25.10.31/shotcut-macos-25.10.31.dmg/download | Product |