How severe is CVE-2019-8378?

CVE-2019-8378 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-8378 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-8378?

CVE-2019-8378 affects Axiosys Bento4. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-8378?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-8378 published?

CVE-2019-8378 was published on 2019-02-17 and last updated on 2026-06-17.

CVE-2019-8378

CVE-2019-8378 is a high-severity vulnerability in Axiosys Bento4 with a CVSS 3.x base score of 8.8. 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-125.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Axiosys Bento4
Published: 2019-02-17
Last modified: 2026-06-17

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.

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.
How severe is CVE-2019-8378?: CVE-2019-8378 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-8378 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-8378?: CVE-2019-8378 affects Axiosys Bento4. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-8378?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-8378 published?: CVE-2019-8378 was published on 2019-02-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:axiosys:bento4:1.5.1-628:*:*:*:*:*:*:*

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