CVE-2017-16840
9.8
CRITICAL · CVSS 3.1 · EPSS 3.3% (pctl 88)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 3.33% — more likely to be exploited than 88% of all CVEs |
| Weakness | CWE-125 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2017-11-21 |
| Last modified | 2026-06-17 |
Affected (2)
| Vendor | Product |
|---|---|
| debian | debian linux |
| ffmpeg | ffmpeg |
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
- 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
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