How severe is CVE-2025-65834?

CVE-2025-65834 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-65834 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-65834?

CVE-2025-65834 affects Meltytech Shotcut. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-65834?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2025-65834 have an EU (EUVD) identifier?

Yes. CVE-2025-65834 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-203843.

When was CVE-2025-65834 published?

CVE-2025-65834 was published on 2025-12-16 and last updated on 2026-06-17.

CVE-2025-65834

CVE-2025-65834 is a critical-severity vulnerability in Meltytech Shotcut with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-120.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-203843
Weakness: CWE-120
Affected product: Meltytech Shotcut
Published: 2025-12-16
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2025-65834?: CVE-2025-65834 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-65834 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-65834?: CVE-2025-65834 affects Meltytech Shotcut. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-65834?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-65834 have an EU (EUVD) identifier?: Yes. CVE-2025-65834 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-203843.
When was CVE-2025-65834 published?: CVE-2025-65834 was published on 2025-12-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:meltytech:shotcut:25.10.31:*:*:*:*:*:*:*

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