Buffer overflow in Meltytech Shotcut
CVE-2025-65834
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (32.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
- Meltytech Shotcut — versions 25.10.31
Weakness classification (CWE)
References
- sourceforge.net/projects/shotcut/files/v25.10.31/shotcut-macos-25.10.31.dmg/dow… (Product)
- bytescan.net/CVE/cve-2025-65834.html (Third Party Advisory)
Frequently asked questions
- What is CVE-2025-65834?
- CVE-2025-65834 is a critical-severity vulnerability in Meltytech Shotcut, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2025-12-16.
- How severe is CVE-2025-65834?
- Critical severity. CVSS v3 base score is 9.8 out of 10.