Vulnerability CVE-2018-7557
Published: 2018-02-28

Description:
The decode_init function in libavcodec/utvideodec.c in FFmpeg through 3.4.2 allows remote attackers to cause a denial of service (Out of array read) via an AVI file with crafted dimensions within chroma subsampling data.

Type:

CWE-125

 (Out-of-bounds Read)

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Ffmpeg -> Ffmpeg 
Debian -> Debian linux 

 References:
https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/7414d0bda7763f9bd69c26c068e482ab297c1c96
https://lists.debian.org/debian-lts-announce/2019/01/msg00006.html
https://www.debian.org/security/2018/dsa-4249
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