Critical severity9.8NVD Advisory· Published Nov 21, 2017· Updated May 13, 2026

CVE-2017-16840

Description

The VC-2 Video Compression encoder in FFmpeg 3.0 and 3.4 allows remote attackers to cause a denial of service (out-of-bounds read) because of incorrect buffer padding for non-Haar wavelets, related to libavcodec/vc2enc.c and libavcodec/vc2enc_dwt.c.

Affected products

FFmpeg/Ffmpeg2 versions
cpe:2.3:a:ffmpeg:ffmpeg:3.0:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:ffmpeg:ffmpeg:3.0:*:*:*:*:*:*:*
- cpe:2.3:a:ffmpeg:ffmpeg:3.4:*:*:*:*:*:*:*
Debian/Debian Linux
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

github.com/FFmpeg/FFmpeg/commit/94e538aebbc9f9c529e8b1f2eda860cfb8c473b1nvdPatchThird Party Advisory
www.securityfocus.com/bid/101924nvdThird Party AdvisoryVDB Entry
www.debian.org/security/2017/dsa-4049nvdVendor Advisory

News mentions

No linked articles in our index yet.

cvss	0.637
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000