How severe is CVE-2018-14543?

CVE-2018-14543 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-2018-14543 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-14543?

CVE-2018-14543 affects Axiosys Bento4. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-14543?

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

When was CVE-2018-14543 published?

CVE-2018-14543 was published on 2018-07-23 and last updated on 2026-06-17.

CVE-2018-14543

CVE-2018-14543 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% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Axiosys Bento4
Published: 2018-07-23
Last modified: 2026-06-17

Description

There exists one NULL pointer dereference vulnerability in AP4_JsonInspector::AddField in Ap4Atom.cpp in Bento4 1.5.1-624, which can allow attackers to cause a denial-of-service via a crafted mp4 file. This vulnerability can be triggered by the executable mp4dump.

Frequently asked questions

What is CVE-2018-14543?: There exists one NULL pointer dereference vulnerability in AP4_JsonInspector::AddField in Ap4Atom.cpp in Bento4 1.5.1-624, which can allow attackers to cause a denial-of-service via a crafted mp4 file. This vulnerability can be triggered by the executable mp4dump.
How severe is CVE-2018-14543?: CVE-2018-14543 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-2018-14543 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-14543?: CVE-2018-14543 affects Axiosys Bento4. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-14543?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-14543 published?: CVE-2018-14543 was published on 2018-07-23 and last updated on 2026-06-17.

References

https://github.com/axiomatic-systems/Bento4/issues/292

Affected products (1)

cpe:2.3:a:axiosys:bento4:1.5.1-624:*:*:*:*:*:*:*

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