CVE-2017-16840
First published: Tue Nov 21 2017(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/ffmpeg | 7:4.1.9-0+deb10u1 7:4.1.11-0+deb10u1 7:4.3.6-0+deb11u1 7:5.1.3-1 7:6.0-7 | |
| FFmpeg | =3.0 | |
| FFmpeg | =3.4 | |
| Debian Linux | =9.0 |
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Reference Links
- http://git.videolan.org/?p=ffmpeg.git;a=commit;h=a94cb36ab2ad99d3a1331c9f91831ef593d94f74
- http://www.securityfocus.com/bid/101924
- https://github.com/FFmpeg/FFmpeg/commit/94e538aebbc9f9c529e8b1f2eda860cfb8c473b1
- https://www.debian.org/security/2017/dsa-4049
- https://git.videolan.org/?p=ffmpeg.git;a=commit;h=a94cb36ab2ad99d3a1331c9f91831ef593d94f74
- https://security-tracker.debian.org/tracker/CVE-2017-16840
Frequently Asked Questions
What is the severity of CVE-2017-16840?
CVE-2017-16840 is classified as a medium severity vulnerability due to its potential for causing denial of service.
How does CVE-2017-16840 affect FFmpeg?
CVE-2017-16840 allows remote attackers to trigger an out-of-bounds read due to incorrect buffer padding in the VC-2 Video Compression encoder.
Which versions of FFmpeg are vulnerable to CVE-2017-16840?
FFmpeg versions 3.0 and 3.4 are vulnerable to CVE-2017-16840.
How do I fix CVE-2017-16840?
To fix CVE-2017-16840, upgrade FFmpeg to versions 7:4.1.9-0+deb10u1, 7:4.1.11-0+deb10u1, 7:4.3.6-0+deb11u1, 7:5.1.3-1, or 7:6.0-7.
What component of FFmpeg is affected by CVE-2017-16840?
The vulnerability specifically affects the VC-2 Video Compression encoder in the libavcodec module of FFmpeg.
- collector/security-tracker-debian
- agent/references
- agent/type
- agent/remedy
- agent/last-modified-date
- agent/first-publish-date
- agent/weakness
- agent/severity
- agent/author
- agent/description
- agent/event
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- package-manager/debian
- vendor/ffmpeg
- canonical/ffmpeg
- version/ffmpeg/3.0
- version/ffmpeg/3.4
- vendor/debian
- canonical/debian linux
- version/debian linux/9.0