CVE-2018-14394
libavformat/movenc.c in FFmpeg before 4.0.2 allows attackers to cause a denial of service ...
libavformat/movenc.c in FFmpeg before 4.0.2 allows attackers to cause a denial of service (application crash caused by a divide-by-zero error) with a user crafted Waveform audio file.
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
What each source reports
NVD Score used
libavformat/movenc.c in FFmpeg before 4.0.2 allows attackers to cause a denial of service (application crash caused by a divide-by-zero error) with a user crafted Waveform audio file.
- Record
CVE-2018-14394- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.3 Medium
AV: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 before 4.0.2 allows attackers to cause a denial of service (application crash caused by a divide-by-zero error) with a user crafted Waveform audio file.
- Record
CVE-2018-14394- Updated
- 2026-11-02
EUVDEUVD-2018-6312 No score
libavformat/movenc.c in FFmpeg before 4.0.2 allows attackers to cause a denial of service (application crash caused by a divide-by-zero error) with a user crafted Waveform audio file.
- Record
EUVD-2018-6312- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8279-9gqq-prr4
libavformat/movenc.c in FFmpeg before 4.0.2 allows attackers to cause a denial of service ...
libavformat/movenc.c in FFmpeg before 4.0.2 allows attackers to cause a denial of service (application crash caused by a divide-by-zero error) with a user crafted Waveform audio file.
- Record
GHSA-8279-9gqq-prr4- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-369
- Updated
- 2026-11-02
OSVALPINE-CVE-2018-14394
libavformat/movenc.c in FFmpeg before 4.0.2 allows attackers to cause a denial of service (application crash caused by a divide-by-zero error) with a user crafted Waveform audio file.
- Record
ALPINE-CVE-2018-14394- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
OSV
libavformat/movenc.c in FFmpeg before 4.0.2 allows attackers to cause a denial of service (application crash caused by a divide-by-zero error) with a user crafted Waveform audio file.
- Record
CVE-2018-14394- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-07
Show 4 moreShow less
OSVDEBIAN-CVE-2018-14394
libavformat/movenc.c in FFmpeg before 4.0.2 allows attackers to cause a denial of service (application crash caused by a divide-by-zero error) with a user crafted Waveform audio file.
- Record
DEBIAN-CVE-2018-14394- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2018-14394
libavformat/movenc.c in FFmpeg before 4.0.2 allows attackers to cause a denial of service (application crash caused by a divide-by-zero error) with a user crafted Waveform audio file.
- Record
UBUNTU-CVE-2018-14394- CVSS 3.0
- 6.5 Medium
CVSS: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
| Package | Affected | Fixed |
|---|---|---|
ffmpegAlpine:v3.10 |
before 3.4.3-r0 | 3.4.3-r0 |
ffmpegAlpine:v3.11 |
before 3.4.3-r0 | 3.4.3-r0 |
ffmpegAlpine:v3.12 |
before 3.4.3-r0 | 3.4.3-r0 |
ffmpegAlpine:v3.13 |
before 3.4.3-r0 | 3.4.3-r0 |
ffmpegAlpine:v3.14 |
before 3.4.3-r0 | 3.4.3-r0 |
ffmpegAlpine:v3.15 |
before 3.4.3-r0 | 3.4.3-r0 |
ffmpegAlpine:v3.16 |
before 3.4.3-r0 | 3.4.3-r0 |
ffmpegAlpine:v3.17 |
before 3.4.3-r0 | 3.4.3-r0 |
ffmpegAlpine:v3.18 |
before 3.4.3-r0 | 3.4.3-r0 |
ffmpegAlpine:v3.19 |
before 3.4.3-r0 | 3.4.3-r0 |
Show 27 moreShow less
| Package | Affected | Fixed |
|---|---|---|
ffmpegAlpine:v3.20 |
before 3.4.3-r0 | 3.4.3-r0 |
ffmpegAlpine:v3.21 |
before 3.4.3-r0 | 3.4.3-r0 |
ffmpegAlpine:v3.22 |
before 3.4.3-r0 | 3.4.3-r0 |
ffmpegAlpine:v3.23 |
before 3.4.3-r0 | 3.4.3-r0 |
ffmpegAlpine:v3.24 |
before 3.4.3-r0 | 3.4.3-r0 |
ffmpegAlpine:v3.8 |
before 3.4.3-r0 | 3.4.3-r0 |
ffmpegAlpine:v3.9 |
before 3.4.3-r0 | 3.4.3-r0 |
ffmpeg4Alpine:v3.16 |
before 3.4.3-r0 | 3.4.3-r0 |
ffmpeg4Alpine:v3.17 |
before 3.4.3-r0 | 3.4.3-r0 |
ffmpeg4Alpine:v3.18 |
before 3.4.3-r0 | 3.4.3-r0 |
ffmpeg4Alpine:v3.19 |
before 3.4.3-r0 | 3.4.3-r0 |
ffmpeg4Alpine:v3.20 |
before 3.4.3-r0 | 3.4.3-r0 |
ffmpeg4Alpine:v3.21 |
before 3.4.3-r0 | 3.4.3-r0 |
ffmpeg4Alpine:v3.22 |
before 3.4.3-r0 | 3.4.3-r0 |
ffmpegDebian:12 |
before 7:4.0.2-1 | 7:4.0.2-1 |
ffmpegDebian:13 |
before 7:4.0.2-1 | 7:4.0.2-1 |
ffmpegDebian:14 |
before 7:4.0.2-1 | 7:4.0.2-1 |
libavDebian:8 From an advisory covering 14 CVEs |
before 6:11.12-1~deb8u4, plus listed versions 6:11.11-1~deb8u16:11.12-1~deb8u16:11.12-1~deb8u26:11.12-1~deb8u36:11.3-1 Show 11 moreShow less6:11.3-1+deb8u16:11.3-26:11.3-36:11.4-16:11.4-1~deb8u16:11.4-26:11.4-2+x32.16:11.6-1~deb8u16:11.7-1~deb8u16:11.8-1~deb8u16:11.9-1~deb8u1 |
6:11.12-1~deb8u4 |
ffmpegDebian:9 From an advisory covering 11 CVEs |
before 7:3.2.11-1~deb9u1, plus listed versions 7:3.2.10-1~deb9u17:3.2.10-1~deb9u1~bpo8+17:3.2.5-17:3.2.6-17:3.2.7-1~deb9u17:3.2.8-1~deb9u17:3.2.9-1~deb9u1 |
7:3.2.11-1~deb9u1 |
ffmpegSUSE: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 |
ffmpegSUSE: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 |
ffmpegSUSE:Linux Enterprise Workstation Extension 15 From an advisory covering 2 CVEs |
before 3.4.2-4.17.26 | 3.4.2-4.17.26 |
ffmpegSUSE: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 |
ffmpegSUSE: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 |
libavUbuntu:Pro:14.04:LTS |
All versions, plus listed versions 6:0.8.7-1ubuntu26:9.10-1ubuntu16:9.10-1ubuntu26:9.10-1ubuntu56:9.10-1ubuntu6 Show 9 moreShow less6:9.10-1ubuntu76:9.11-2ubuntu16:9.11-2ubuntu26:9.13-0ubuntu0.14.04.16:9.14-0ubuntu0.14.04.16:9.16-0ubuntu0.14.04.16:9.18-0ubuntu0.14.04.16:9.20-0ubuntu0.14.04.16:9.20-0ubuntu0.14.04.1+esm1 |
None known |
ffmpegUbuntu:16.04:LTS |
before 7:2.8.15-0ubuntu0.16.04.1, plus listed versions 7:2.7.2-1build17:2.8.1-1ubuntu17:2.8.2-1ubuntu17:2.8.3-17:2.8.4-1 Show 10 moreShow less7:2.8.4-1ubuntu17:2.8.4-1ubuntu27:2.8.4-1ubuntu37:2.8.4-1ubuntu47:2.8.6-1ubuntu17:2.8.6-1ubuntu27:2.8.8-0ubuntu0.16.04.17:2.8.10-0ubuntu0.16.04.17:2.8.11-0ubuntu0.16.04.17:2.8.14-0ubuntu0.16.04.1 |
7:2.8.15-0ubuntu0.16.04.1 |
ffmpegUbuntu: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 Show 5 moreShow less7:3.4.1-17:3.4.1-1build17:3.4.2-17:3.4.2-1build17:3.4.2-2 |
7:3.4.4-0ubuntu0.18.04.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| affected, aliases, references | OSV | |
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-14394 is a medium vulnerability (CVSS 6.5) in Ffmpeg, published July 17, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.12%, the 66th percentile. Fixed in ffmpeg 3.4.3-r0.
References
github.com/FFmpeg/FFmpeg/commit/3a2d21bc5f97aa0161db3ae731fc2732be6108b8
lists.debian.org/debian-lts-announce/2019/01/msg00006.html
nvd.nist.gov/vuln/detail/CVE-2018-14394
security.alpinelinux.org/vuln/CVE-2018-14394
security-tracker.debian.org/tracker/CVE-2018-14394
Show 8 moreShow less
suse.com/support/update/announcement/2019/suse-su-20191299-1
bugzilla.suse.com/1101888
ubuntu.com/security/CVE-2018-14394
cve.org/CVERecord?id=CVE-2018-14394