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CVE-2018-14395

libavformat/movenc.c in FFmpeg 3.2 and 4.0.2 allows attackers to cause a denial of service ...

6.5 MediumFix available

libavformat/movenc.c in FFmpeg 3.2 and 4.0.2 allows attackers to cause a denial of service (application crash caused by a divide-by-zero error) with a user crafted audio file when converting to the MOV audio format.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

2.01%Up 0.7 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 6.5

libavformat/movenc.c in FFmpeg 3.2 and 4.0.2 allows attackers to cause a denial of service (application crash caused by a divide-by-zero error) with a user crafted audio file when converting to the MOV audio format.

Record
CVE-2018-14395
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness
CWE-369
Updated
2026-11-02
CVE List No score

libavformat/movenc.c in FFmpeg 3.2 and 4.0.2 allows attackers to cause a denial of service (application crash caused by a divide-by-zero error) with a user crafted audio file when converting to the MOV audio format.

Record
CVE-2018-14395
Updated
2026-11-02
EUVDEUVD-2018-6313 No score

libavformat/movenc.c in FFmpeg 3.2 and 4.0.2 allows attackers to cause a denial of service (application crash caused by a divide-by-zero error) with a user crafted audio file when converting to the MOV audio format.

Record
EUVD-2018-6313
Updated
2026-11-03
GitHub AdvisoriesGHSA-wg9f-2mrx-wjp7 6.5

libavformat/movenc.c in FFmpeg 3.2 and 4.0.2 allows attackers to cause a denial of service ...

libavformat/movenc.c in FFmpeg 3.2 and 4.0.2 allows attackers to cause a denial of service (application crash caused by a divide-by-zero error) with a user crafted audio file when converting to the MOV audio format.

Record
GHSA-wg9f-2mrx-wjp7
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-369
Updated
2026-11-02
OSV 6.5

libavformat/movenc.c in FFmpeg 3.2 and 4.0.2 allows attackers to cause a denial of service (application crash caused by a divide-by-zero error) with a user crafted audio file when converting to the MOV audio format.

Record
CVE-2018-14395
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-07
OSVDEBIAN-CVE-2018-14395 6.5

libavformat/movenc.c in FFmpeg 3.2 and 4.0.2 allows attackers to cause a denial of service (application crash caused by a divide-by-zero error) with a user crafted audio file when converting to the MOV audio format.

Record
DEBIAN-CVE-2018-14395
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2018-14395 6.5

libavformat/movenc.c in FFmpeg 3.2 and 4.0.2 allows attackers to cause a denial of service (application crash caused by a divide-by-zero error) with a user crafted audio file when converting to the MOV audio format.

Record
UBUNTU-CVE-2018-14395
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 3.0
6.5 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVSUSE-SU-2019:1299-1 No score

Security update for ffmpeg

This update for ffmpeg fixes the following issues:

Security issue fixed:

  • CVE-2018-14395: Fixed a divide-by-zero error in libavformat/movenc.c that allowed attackers to cause a DoS (bsc#1101889)
  • CVE-2018-14394: Fixed a divide-by-zero error in libavformat/movenc.c that allowed attackers to cause a DoS (bsc#1101888).
Record
SUSE-SU-2019:1299-1
Updated
2026-11-02
OSVSUSE-SU-2019:1299-2 No score

Security update for ffmpeg

This update for ffmpeg fixes the following issues:

Security issue fixed:

  • CVE-2018-14395: Fixed a divide-by-zero error in libavformat/movenc.c that allowed attackers to cause a DoS (bsc#1101889)
  • CVE-2018-14394: Fixed a divide-by-zero error in libavformat/movenc.c that allowed attackers to cause a DoS (bsc#1101888).
Record
SUSE-SU-2019:1299-2
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
ffmpeg
Debian:12
 before 7:4.0.2-1
7:4.0.2-1
ffmpeg
Debian:13
 before 7:4.0.2-1
7:4.0.2-1
ffmpeg
Debian:14
 before 7:4.0.2-1
7:4.0.2-1
ffmpeg
Debian:9
 before 7:3.2.12-1~deb9u1, plus listed versions
7:3.2.10-1~deb9u17:3.2.10-1~deb9u1~bpo8+17:3.2.11-1~deb9u17:3.2.5-17:3.2.6-17:3.2.7-1~deb9u17:3.2.8-1~deb9u17:3.2.9-1~deb9u1
7:3.2.12-1~deb9u1
ffmpeg
SUSE:Linux Enterprise Module for Desktop Applications 15
From an advisory covering 2 CVEs
 before 3.4.2-4.17.26
3.4.2-4.17.26
ffmpeg
SUSE:Linux Enterprise Module for Package Hub 15
From an advisory covering 2 CVEs
 before 3.4.2-4.17.26
3.4.2-4.17.26
ffmpeg
SUSE:Linux Enterprise Workstation Extension 15
From an advisory covering 2 CVEs
 before 3.4.2-4.17.26
3.4.2-4.17.26
ffmpeg
SUSE:Linux Enterprise Module for Desktop Applications 15 SP1
From an advisory covering 2 CVEs
 before 3.4.2-4.17.26
3.4.2-4.17.26
ffmpeg
SUSE:Linux Enterprise Workstation Extension 15 SP1
From an advisory covering 2 CVEs
 before 3.4.2-4.17.26
3.4.2-4.17.26
ffmpeg
Ubuntu:18.04:LTS
 before 7:3.4.4-0ubuntu0.18.04.1, plus listed versions
7:3.3.4-27:3.3.4-2build37:3.4-2ubuntu27:3.4-47:3.4-4build1
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7:3.4.1-17:3.4.1-1build17:3.4.2-17:3.4.2-1build17:3.4.2-2
7:3.4.4-0ubuntu0.18.04.1

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

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

In short

CVE-2018-14395 is a medium vulnerability (CVSS 6.5) in Ffmpeg, published July 19, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.01%, the 80th percentile. Fixed in ffmpeg 7:4.0.2-1.

References

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