CVE-2017-16840
critical
CVSS v3
9.8
CVSS v2
7.5
VIR risk
9.8
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.
Predictions
Exploit likelihood
97%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2017-16840
Vendor advisory: cve@mitre.org — https://www.debian.org/security/2017/dsa-4049
Vendor advisory: cve@mitre.org — https://github.com/FFmpeg/FFmpeg/commit/94e538aebbc9f9c529e8b1f2eda860cfb8c473b1
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 1:3.4.1-1 | |
| debian | bookworm | fixed | 7:3.4.1-1 |
| debian | bullseye | fixed | 7:3.4.1-1 |
| debian | forky | fixed | 7:3.4.1-1 |
| debian | sid | fixed | 7:3.4.1-1 |
| debian | trixie | fixed | 7:3.4.1-1 |
| debian | 9.0 | affected | |
References
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=a94cb36ab2ad99d3a1331c9f91831ef593d94f74
- http://www.securityfocus.com/bid/101924
- https://github.com/FFmpeg/FFmpeg/commit/94e538aebbc9f9c529e8b1f2eda860cfb8c473b1
- https://www.debian.org/security/2017/dsa-4049
- https://security-tracker.debian.org/tracker/CVE-2017-16840
CWEs
CWE-125
Verify integrity in audit chain (admin only). AS-IS.