Critical severity9.8NVD Advisory· Published Nov 21, 2017· Updated Jun 17, 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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

FFmpeg/Ffmpeg3 versions
cpe:2.3:a:ffmpeg:ffmpeg:3.0:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:ffmpeg:ffmpeg:3.0:*:*:*:*:*:*:*
- cpe:2.3:a:ffmpeg:ffmpeg:3.4:*:*:*:*:*:*:*
- (no CPE)
Debian/linux
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
osv-coords2 versions
pkg:rpm/opensuse/ffmpeg-4&distro=openSUSE%20Tumbleweed pkg:rpm/suse/ffmpeg&distro=SUSE%20Package%20Hub%2012%20SP2
< 4.4-5.2+ 1 more
- (no CPE)range: < 4.4-5.2
- (no CPE)range: < 3.4.2-14.1

Patches

Vulnerability mechanics

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
git.videolan.orgnvd

News mentions

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cvss	0.637
epss	0.003
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000