How severe is CVE-2025-25946?

CVE-2025-25946 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-25946 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-25946?

CVE-2025-25946 affects Axiosys Bento4. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-25946?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-25946 have an EU (EUVD) identifier?

Yes. CVE-2025-25946 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-4593.

When was CVE-2025-25946 published?

CVE-2025-25946 was published on 2025-02-19 and last updated on 2026-06-17.

CVE-2025-25946

CVE-2025-25946 is a medium-severity vulnerability in Axiosys Bento4 with a CVSS 3.x base score of 5.5. 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-200.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-4593
Weakness: CWE-200
Affected product: Axiosys Bento4
Published: 2025-02-19
Last modified: 2026-06-17

Description

An issue in Bento4 v1.6.0-641 allows an attacker to cause a memory leak via Ap4Marlin.cpp and Ap4Processor.cpp, specifically in AP4_MarlinIpmpEncryptingProcessor::Initialize and AP4_Processor::Process, during the execution of mp4encrypt with a specially crafted MP4 input file.

Frequently asked questions

What is CVE-2025-25946?: An issue in Bento4 v1.6.0-641 allows an attacker to cause a memory leak via Ap4Marlin.cpp and Ap4Processor.cpp, specifically in AP4_MarlinIpmpEncryptingProcessor::Initialize and AP4_Processor::Process, during the execution of mp4encrypt with a specially crafted MP4 input file.
How severe is CVE-2025-25946?: CVE-2025-25946 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-25946 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-25946?: CVE-2025-25946 affects Axiosys Bento4. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-25946?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-25946 have an EU (EUVD) identifier?: Yes. CVE-2025-25946 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-4593.
When was CVE-2025-25946 published?: CVE-2025-25946 was published on 2025-02-19 and last updated on 2026-06-17.

References

https://github.com/axiomatic-systems/Bento4/issues/994

Affected products (1)

cpe:2.3:a:axiosys:bento4:1.6.0-641:*:*:*:*:*:*:*

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