How severe is CVE-2019-16349?

CVE-2019-16349 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2019-16349 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-16349?

CVE-2019-16349 affects Axiosys Bento4. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-16349?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-16349 published?

CVE-2019-16349 was published on 2019-09-16 and last updated on 2026-06-17.

CVE-2019-16349

CVE-2019-16349 is a medium-severity vulnerability in Axiosys Bento4 with a CVSS 3.x base score of 5.5. 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-476.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Axiosys Bento4
Published: 2019-09-16
Last modified: 2026-06-17

Description

Bento4 1.5.1-628 has a NULL pointer dereference in AP4_ByteStream::ReadUI32 in Core/Ap4ByteStream.cpp when called from the AP4_TrunAtom class.

Frequently asked questions

What is CVE-2019-16349?: Bento4 1.5.1-628 has a NULL pointer dereference in AP4_ByteStream::ReadUI32 in Core/Ap4ByteStream.cpp when called from the AP4_TrunAtom class.
How severe is CVE-2019-16349?: CVE-2019-16349 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2019-16349 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-16349?: CVE-2019-16349 affects Axiosys Bento4. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-16349?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-16349 published?: CVE-2019-16349 was published on 2019-09-16 and last updated on 2026-06-17.

References

https://github.com/axiomatic-systems/Bento4/issues/422

Affected products (1)

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

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