Description
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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | ffmpeg | 7:3.3.3-1 | — |
| Debian 13 | ffmpeg | 7:3.3.3-1 | — |
| Debian 12 | ffmpeg | 7:3.3.3-1 | — |
| Debian 9 | ffmpeg | 7:3.2.7-1~deb9u1 | DSA-3957-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.6 | ffmpeg | 3.2.6-r0 | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
GitHub 1 repository
-
LaCinquette/practice-22-23 ★ 0 · Dec 16, 2022
CVE-2017-9608 analysis
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 1
- DSA-3957-1 ffmpeg - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- https://github.com/FFmpeg/FFmpeg/commit/0a709e2a10b8288a0cc383547924ecfe285cef89
- 100348 vdb-entry
- DSA-3957 vendor-advisory
- https://github.com/FFmpeg/FFmpeg/commit/611b35627488a8d0763e75c25ee0875c5b7987dd
- [oss-security] 20170815 Re: [CVE-2017-9608] null-point-exception happened when ffmpeg using dnxhd decoder to parsing a crafted mv file. mailing-list
- https://github.com/FFmpeg/FFmpeg/commit/31c1c0b46a7021802c3d1d18039fca30dba5a14e
- [oss-security] 20170814 [CVE-2017-9608] null-point-exception happened when ffmpeg using dnxhd decoder to parsing a crafted mv file. mailing-list