What is CVE-2019-7699?

CVE-2019-7699 is a medium-severity vulnerability in Axiosys Bento4, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2019-02-10.

How severe is CVE-2019-7699?

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

Out-of-bounds Read in Axiosys Bento4

CVE-2019-7699

A heap-based buffer over-read occurs in AP4_BitStream::WriteBytes in Codecs/Ap4BitStream.cpp in Bento4 v1.5.1-627. Remote attackers could leverage this vulnerability to cause an exception via crafted mp4 input, which leads to a denial of service.

Vulnerability class: Buffer Overflow

Published 2019-02-10 · 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: 0.015 (72.6th percentile), scored 2026-10-07.

Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 72.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

Axiosys Bento4 — versions 1.5.1-627

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

github.com/axiomatic-systems/Bento4/issues/355 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2019-7699?: CVE-2019-7699 is a medium-severity vulnerability in Axiosys Bento4, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2019-02-10.
How severe is CVE-2019-7699?: Medium severity. CVSS v3 base score is 6.5 out of 10.