CVE-2017-16840

The VC-2 Video Compression encoder in FFmpeg 3.0 and 3.4 allows remote ...

Published 21 Nov 2017Modified 17 Jun 2026CWE 125

In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Trivy's own label is CRITICAL. Rated critical by NVD.

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 packages and fixed versions

Source	Package	Fixed in
debian 11	ffmpeg	7:3.4.1-1
debian 12	ffmpeg	7:3.4.1-1
debian 13	ffmpeg	7:3.4.1-1
debian 14	ffmpeg	7:3.4.1-1
debian 9	ffmpeg	7:3.2.9-1~deb9u1
echo	ffmpeg	7:3.4.1-1
root.io debian 11	rootio-ffmpeg	7:3.4.1-1
root.io debian 12	rootio-ffmpeg	7:3.4.1-1

References

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Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.