HOMEVULNERABILITIESCVE-2018-14543
MEDIUM

CVE-2018-14543

CWE-476Published: July 23, 2018· Updated: Jun 17, 2026

5.5
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2018-14543 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 5.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected Vendors & Products

axiosys1 product(s)
bento4
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (2)

Quick Facts

CVE IDCVE-2018-14543
CVSS Score5.5 / 10
SeverityMEDIUM
WeaknessCWE-476
CISA KEVNo
Affected1 vendor(s)
PublishedJul 23, 2018

Related CVEs (CWE-476)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2018-14543 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.