Critical severity · published Nov 21, 2017
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…
9.8
CVSS
3.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.3% · higher than 89% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
9.0 · source: NVD
FF
Ffmpeg · Ffmpeg
3.0; 3.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-16840
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-16840
git.videolan.org
http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=a94cb36ab2ad99d3a1331c9f91831ef593d94f74
Third Party Advisory
http://www.securityfocus.com/bid/101924
Patch
https://github.com/FFmpeg/FFmpeg/commit/94e538aebbc9f9c529e8b1f2eda860cfb8c473b1
Vendor Advisory
https://www.debian.org/security/2017/dsa-4049
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