CVE-2017-16840
critical
CVSS v3
9.8
CVSS v4 NEW
—
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
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Debian Mixed 6 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 7:3.4.1-1 |
| sid | Fixed | 7:3.4.1-1 |
| forky | Fixed | 7:3.4.1-1 |
| bullseye | Fixed | 7:3.4.1-1 |
| bookworm | Fixed | 7:3.4.1-1 |
| 9.0 | Affected | — |
Arch Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Fixed | 1:3.4.1-1 |
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
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.