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CVE-2017-7866

Publication date 14 April 2017

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

FFmpeg before 2017-01-23 has an out-of-bounds write caused by a stack-based buffer overflow related to the decode_zbuf function in libavcodec/pngdec.c.

Status

Package Ubuntu Release Status
ffmpeg 17.04 zesty
Not affected
16.10 yakkety
Fixed 7:3.0.7-0ubuntu0.16.10.1
16.04 LTS xenial
Fixed 7:2.8.11-0ubuntu0.16.04.1
14.04 LTS trusty Not in release
12.04 LTS precise Not in release
libav 17.04 zesty Not in release
16.10 yakkety Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty
Not affected
12.04 LTS precise
Not affected

Severity score breakdown

Parameter Value
Base score 9.8 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H