How severe is CVE-2019-13959?

CVE-2019-13959 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2019-13959 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-13959?

CVE-2019-13959 affects Axiosys Bento4. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-13959?

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

When was CVE-2019-13959 published?

CVE-2019-13959 was published on 2019-07-18 and last updated on 2026-06-17.

CVE-2019-13959

CVE-2019-13959 is a medium-severity vulnerability in Axiosys Bento4 with a CVSS 3.x base score of 6.5. 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 6.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Axiosys Bento4
Published: 2019-07-18
Last modified: 2026-06-17

Description

In Bento4 1.5.1-627, AP4_DataBuffer::SetDataSize does not handle reallocation failures, leading to a memory copy into a NULL pointer. This is different from CVE-2018-20186.

Frequently asked questions

What is CVE-2019-13959?: In Bento4 1.5.1-627, AP4_DataBuffer::SetDataSize does not handle reallocation failures, leading to a memory copy into a NULL pointer. This is different from CVE-2018-20186.
How severe is CVE-2019-13959?: CVE-2019-13959 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2019-13959 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-13959?: CVE-2019-13959 affects Axiosys Bento4. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-13959?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-13959 published?: CVE-2019-13959 was published on 2019-07-18 and last updated on 2026-06-17.

References

https://github.com/axiomatic-systems/Bento4/issues/394

Affected products (1)

cpe:2.3:a:axiosys:bento4:1.5.1-627:*:*:*:*:*:*:*

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