CVE-2014-9627 — The MP4_ReadBox_String function in modules/demux/mp4/libmp4.c in VideoLAN VLC media player before 2.1.6 performs an incorrect cast operation from a 64-bit integer to a 32-bit integer, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a large box size

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HIGH

The MP4_ReadBox_String function in modules/demux/mp4/libmp4.c in VideoLAN VLC media player before 2.1.6 performs an incorrect cast operation from a 64-bit integer to a 32-bit integer, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a large box size

Published Jan 24, 2020

7.8

HIGH

CVSS 3.1

EPSS 1.12%

Description

The MP4_ReadBox_String function in modules/demux/mp4/libmp4.c in VideoLAN VLC media player before 2.1.6 performs an incorrect cast operation from a 64-bit integer to a 32-bit integer, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a large box size.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.12% 0.01124

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.

EPSS probability 0.01124

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (10 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 2, 2026	1.12% (0.01124)	65.08th	v5 (v2026.06.15)
Jun 15, 2026	1.12% (0.01124)	61.91th	v5 (v2026.06.15)
Mar 17, 2025	0.34% (0.00338)	54.41th	v4 (v2025.03.14)
Dec 12, 2024	0.26% (0.00256)	65.90th	v3 (v2023.03.01)
Feb 8, 2024	0.26% (0.00256)	64.45th	v3 (v2023.03.01)
Mar 7, 2023	0.26% (0.00256)	61.63th	v3 (v2023.03.01)
Mar 6, 2023	1.14% (0.01136)	59.45th	v2 (v2022.01.01)
Oct 18, 2022	1.14% (0.01136)	58.28th	v2 (v2022.01.01)
Apr 1, 2022	1.14% (0.01136)	56.27th	v2 (v2022.01.01)
Feb 4, 2022	1.14% (0.01136)	34.23th	v2 (v2022.01.01)

Weaknesses (1)

CWE-704

References (3)

http://openwall.com/lists/oss-security/2015/01/20/5
x_refsource_MISCMailing ListPatchThird Party Advisory
https://github.com/videolan/vlc/commit/2e7c7091a61aa5d07e7997b393d821e91f593c39
x_refsource_MISCPatchThird Party Advisory
https://www.videolan.org/security/sa1501.html
x_refsource_CONFIRMVendor Advisory

Link	Providers	Tags
http://openwall.com/lists/oss-security/2015/01/20/5		x_refsource_MISCMailing ListPatchThird Party Advisory
https://github.com/videolan/vlc/commit/2e7c7091a61aa5d07e7997b393d821e91f593c39		x_refsource_MISCPatchThird Party Advisory
https://www.videolan.org/security/sa1501.html		x_refsource_CONFIRMVendor Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Jan 24, 2020

Updated Aug 6, 2024

Reserved Jan 20, 2015

Link CVE-2014-9627

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2014-9627

Red Hat

Severity n/a

Public date n/a

Links CVE-2014-9627