CVE-2018-14054

A double free exists in the MP4StringProperty class in mp4property.cpp in MP4v2 2.0.0. A dangling...

9.8 CriticalFix available

A double free exists in the MP4StringProperty class in mp4property.cpp in MP4v2 2.0.0. A dangling pointer is freed again in the destructor once an exception is triggered.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

2.53%Up 1.5 points since Apr 14, 2021

What each source reports

NVD Score used 9.8

A double free exists in the MP4StringProperty class in mp4property.cpp in MP4v2 2.0.0. A dangling pointer is freed again in the destructor once an exception is triggered.

Record: CVE-2018-14054
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness: CWE-415
Updated: 2026-11-02

CVE List No score

A double free exists in the MP4StringProperty class in mp4property.cpp in MP4v2 2.0.0. A dangling pointer is freed again in the destructor once an exception is triggered.

Record: CVE-2018-14054
Updated: 2026-11-02

EUVDEUVD-2018-5980 No score

A double free exists in the MP4StringProperty class in mp4property.cpp in MP4v2 2.0.0. A dangling pointer is freed again in the destructor once an exception is triggered.

Record: EUVD-2018-5980
Updated: 2026-11-03

GitHub AdvisoriesGHSA-8c9q-fcrx-qjp6 9.8

A double free exists in the MP4StringProperty class in mp4property.cpp in MP4v2 2.0.0. A dangling...

A double free exists in the MP4StringProperty class in mp4property.cpp in MP4v2 2.0.0. A dangling pointer is freed again in the destructor once an exception is triggered.

Record: GHSA-8c9q-fcrx-qjp6
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-415
Updated: 2026-11-02

OSV 9.8

A double free exists in the MP4StringProperty class in mp4property.cpp in MP4v2 2.0.0. A dangling pointer is freed again in the destructor once an exception is triggered.

Record: CVE-2018-14054
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2018-14054 9.8

A double free exists in the MP4StringProperty class in mp4property.cpp in MP4v2 2.0.0. A dangling pointer is freed again in the destructor once an exception is triggered.

Record: UBUNTU-CVE-2018-14054
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVMGASA-2019-0048 No score

Updated libmp4v2 packages fix security vulnerability

This release address a potential security issue in libmp4v2 for Mageia 6: CVE-2018-14054: libmp4v2: Double free in the MP4StringProperty class in mp4property.cpp

Record: MGASA-2019-0048
Updated: 2026-11-02

Affected products

techsmith mp4v2

Affected packages

Affected packages
Package	Affected	Fixed
`libmp4v2` Mageia:6	before 2.0.0-9.1.mga6	2.0.0-9.1.mga6
`mp4v2` Ubuntu:16.04:LTS	All versions, plus listed versions 2.0.0~dfsg0-32.0.0~dfsg0-4	None known
`mp4v2` Ubuntu:18.04:LTS	All versions, plus listed versions 2.0.0~dfsg0-6	None known

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-14054 is a critical vulnerability (CVSS 9.8) in Techsmith Mp4v2, published July 13, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.53%, the 84th percentile. Fixed in libmp4v2 2.0.0-9.1.mga6.

References

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