CVE-2016-6671

Publication date 23 December 2016

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

The raw_decode function in libavcodec/rawdec.c in FFmpeg before 3.1.2 allows remote attackers to cause a denial of service (memory corruption) or execute arbitrary code via a crafted SWF file.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
ffmpeg	18.04 LTS bionic	Not affected
	17.10 artful	Ignored end of life
	17.04 zesty	Ignored end of life
	16.10 yakkety	Ignored end of life
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Not in release

Notes

ebarretto

Fix was released in 3.1.2 version. Xenial has an older version of ffmpeg and the memcpy that would give an overflow is not present in the code.

Severity score breakdown

Parameter	Value
Base score	7.8 · High
Attack vector	Local
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H