Out-of-bounds Read in Ffmpeg
CVE-2017-16840
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.033 (88.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 88.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.033 · newest: 0.033 · change: 0.000
Affected products
- Ffmpeg — versions 3.0, 3.4
- Debian Linux — versions 9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- git.videolan.org/
- www.securityfocus.com/bid/101924 (VDB Entry, Third Party Advisory, vdb-entry)
- www.debian.org/security/2017/dsa-4049 (vendor-advisory, Vendor Advisory)
- github.com/FFmpeg/FFmpeg/commit/94e538aebbc9f9c529e8b1f2eda860cfb8c473b1 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-16840?
- CVE-2017-16840 is a critical-severity vulnerability in Ffmpeg, classified under Out-of-bounds Read. CVSS score: 9.8/10. Published 2017-11-21.
- How severe is CVE-2017-16840?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2017-16840 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.