CVE-2018-7557

Published: 28 February 2018

The decode_init function in libavcodec/utvideodec.c in FFmpeg 2.8 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.

Priority

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package	Release	Status
ffmpeg Launchpad, Ubuntu, Debian	artful	Ignored (end of life)
	bionic	Released (7:3.4.4-0ubuntu0.18.04.1)
	trusty	Does not exist
	upstream	Released (7:3.4.3-1)
	xenial	Released (7:2.8.15-0ubuntu0.16.04.1)

Severity score breakdown

Parameter	Value
Base score	6.5
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

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