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CVE-2016-9820

Published: 1 March 2017

libavcodec/mpegvideo_motion.c in libav 11.8 allows remote attackers to cause a denial of service (crash) via vectors involving left shift of a negative value.

From the Ubuntu Security Team

It was discovered that Libav incorrectly handled certain media files. An attacker could possibly use this issue to cause a denial of service or other unspecified impact.

Priority

Medium

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
libav
Launchpad, Ubuntu, Debian
trusty
Released (6:9.20-0ubuntu0.14.04.1+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
zesty Does not exist

artful Does not exist

bionic Does not exist

cosmic Does not exist

disco Does not exist

precise Ignored
(end of life)
upstream Needs triage

xenial Does not exist

yakkety Does not exist

Severity score breakdown

Parameter Value
Base score 5.5
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H