What is CVE-2018-20095?

CVE-2018-20095 is a medium-severity vulnerability in Axiosys Bento4, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2018-12-12.

How severe is CVE-2018-20095?

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

Resource exhaustion in Axiosys Bento4

CVE-2018-20095

An issue was discovered in EnsureCapacity in Core/Ap4Array.h in Bento4 1.5.1-627. Crafted MP4 input triggers an attempt at excessive memory allocation, as demonstrated by mp42hls.

Published 2018-12-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.012 (65.9th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 65.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Axiosys Bento4 — versions 1.5.1-627

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

github.com/axiomatic-systems/Bento4/issues/341 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-20095?: CVE-2018-20095 is a medium-severity vulnerability in Axiosys Bento4, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2018-12-12.
How severe is CVE-2018-20095?: Medium severity. CVSS v3 base score is 6.5 out of 10.