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HIGH

CVE-2019-8378

CVSS v3

8.8

HIGH

EPSS Score

1.6 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

An issue was discovered in Bento4 1.5.1-628. A heap-based buffer over-read exists in AP4_BitStream::ReadBytes() in Codecs/Ap4BitStream.cpp, a similar issue to CVE-2017-14645. It can be triggered by sending a crafted file to the aac2mp4 binary. It allows an attacker to cause a Denial of Service (Segmentation fault) or possibly have unspecified other impact.

Technical details

Published
2019-02-17

Frequently asked questions

What is CVE-2019-8378?

An issue was discovered in Bento4 1.5.1-628. A heap-based buffer over-read exists in AP4_BitStream::ReadBytes() in Codecs/Ap4BitStream.cpp, a similar issue to CVE-2017-14645. It can be triggered by sending a crafted file to the aac2mp4 binary. It allows an attacker to cause a Denial of Service (Segmentation fault) or possibly have unspecified other impact.

Is CVE-2019-8378 actively exploited?

Active exploitation of CVE-2019-8378 has not been confirmed. Its EPSS score was 1.6% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-8378?

CVE-2019-8378 has a CVSS v3 base score of 8.8 (HIGH severity).

Is CVE-2019-8378 affecting your environment?

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