CVE-2017-9608

The dnxhd decoder in FFmpeg before 3.2.6, and 3.3.x before 3.3.3 allows remote attackers to cause...

6.5 MediumPublic exploitFix available

The dnxhd decoder in FFmpeg before 3.2.6, and 3.3.x before 3.3.3 allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted mov 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

4.58%Up 2.0 points since Apr 14, 2021

What each source reports

NVD Score used 6.5

The dnxhd decoder in FFmpeg before 3.2.6, and 3.3.x before 3.3.3 allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted mov file.

Record: CVE-2017-9608
CVSS 3.0: 6.5 MediumCVSS:3.0/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-476
Updated: 2026-11-02

CVE List No score

The dnxhd decoder in FFmpeg before 3.2.6, and 3.3.x before 3.3.3 allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted mov file.

Record: CVE-2017-9608
Updated: 2026-11-02

EUVDEUVD-2017-18539 No score

The dnxhd decoder in FFmpeg before 3.2.6, and 3.3.x before 3.3.3 allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted mov file.

Record: EUVD-2017-18539
Updated: 2026-11-03

GitHub AdvisoriesGHSA-gj8f-pc7g-p9w6 6.5

The dnxhd decoder in FFmpeg before 3.2.6, and 3.3.x before 3.3.3 allows remote attackers to cause...

The dnxhd decoder in FFmpeg before 3.2.6, and 3.3.x before 3.3.3 allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted mov file.

Record: GHSA-gj8f-pc7g-p9w6
CVSS 3.0: 6.5 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness: CWE-476
Updated: 2026-11-02

OSVALPINE-CVE-2017-9608 6.5

The dnxhd decoder in FFmpeg before 3.2.6, and 3.3.x before 3.3.3 allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted mov file.

Record: ALPINE-CVE-2017-9608
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

OSV 6.5

The dnxhd decoder in FFmpeg before 3.2.6, and 3.3.x before 3.3.3 allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted mov file.

Record: CVE-2017-9608
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

OSVDEBIAN-CVE-2017-9608 6.5

The dnxhd decoder in FFmpeg before 3.2.6, and 3.3.x before 3.3.3 allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted mov file.

Record: DEBIAN-CVE-2017-9608
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

OSVMGASA-2017-0262 No score

Updated ffmpeg packages fix security vulnerabilities

This update provides ffmpeg version 3.3.3, which fixes several security vulnerabilities and other bugs which were corrected upstream.

Record: MGASA-2017-0262
Updated: 2026-11-02

Affected products

ffmpeg

Affected packages

Affected packages
Package	Affected	Fixed
`ffmpeg` Alpine:v3.6	3.3 up to 3.2.6-r0	3.2.6-r0
`ffmpeg` Debian:12	before 7:3.3.3-1	7:3.3.3-1
`ffmpeg` Debian:13	before 7:3.3.3-1	7:3.3.3-1
`ffmpeg` Debian:14	before 7:3.3.3-1	7:3.3.3-1
`ffmpeg` Debian:9	before 7:3.2.7-1~deb9u1, plus listed versions 7:3.2.5-17:3.2.6-1	7:3.2.7-1~deb9u1
`ffmpeg` Mageia:6	before 3.3.3-1.mga6	3.3.3-1.mga6
`ffmpeg` Mageia:6	before 3.3.3-1.mga6.tainted	3.3.3-1.mga6.tainted

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
PoC in GitHub	LaCinquette/practice-22-23	2022-12-16

History

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

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

In short

CVE-2017-9608 is a medium vulnerability (CVSS 6.5) in Ffmpeg, published August 13, 2017. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 4.58%, the 91st percentile. Fixed in ffmpeg 3.2.6-r0.

References

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