CVE-2017-16840

CriticalCVSS 9.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-125

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=a94cb36ab2ad99d3a1331c9f91831ef593d94f74
http://www.securityfocus.com/bid/101924Third Party Advisory, VDB Entry
https://github.com/FFmpeg/FFmpeg/commit/94e538aebbc9f9c529e8b1f2eda860cfb8c473b1Patch, Third Party Advisory
https://www.debian.org/security/2017/dsa-4049Vendor Advisory
http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=a94cb36ab2ad99d3a1331c9f91831ef593d94f74
http://www.securityfocus.com/bid/101924Third Party Advisory, VDB Entry
https://github.com/FFmpeg/FFmpeg/commit/94e538aebbc9f9c529e8b1f2eda860cfb8c473b1Patch, Third Party Advisory
https://www.debian.org/security/2017/dsa-4049Vendor Advisory

Timeline

Published: Nov 21, 2017
Last modified: Jun 17, 2026
NVD status: Modified

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