What is CVE-2025-25942?

CVE-2025-25942 is a medium-severity vulnerability in Axiosys Bento4, classified under Information Disclosure. CVSS score: 6.5/10. Published 2025-02-19.

How severe is CVE-2025-25942?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Information disclosure in Axiosys Bento4

CVE-2025-25942

An issue in Bento4 v1.6.0-641 allows an attacker to obtain sensitive information via the the mp4fragment tool when processing invalid files. Specifically, memory allocated in SampleArray::SampleArray in Mp4Fragment.cpp is not properly released.

Vulnerability class: Information Disclosure

Published 2025-02-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (29.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 29.4% 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

Axiosys Bento4 — versions 1.6.0-641

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

github.com/axiomatic-systems/Bento4/issues/993 (Exploit, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2025-25942?: CVE-2025-25942 is a medium-severity vulnerability in Axiosys Bento4, classified under Information Disclosure. CVSS score: 6.5/10. Published 2025-02-19.
How severe is CVE-2025-25942?: Medium severity. CVSS v3 base score is 6.5 out of 10.